Home / 712,936.40-1,069,404.60-239,464.40

Finding the Fourth Proportional to 712,936.40, 1,069,404.60 and 239,464.40

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Solution

The fourth proportional to 712,936.40, 1,069,404.60 and 239,464.40 is: 359,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,936.40 : 1,069,404.60 = 239,464.40 : x
  2. Step 2: Convert to fraction form
    712,936.40/1,069,404.60 = 239,464.40/x
  3. Step 3: Cross multiply
    712,936.40x = 1,069,404.60 × 239,464.40
  4. Step 4: Simplify right side
    712,936.40x = 256,084,330,896.24
  5. Step 5: Solve for x
    x = 256,084,330,896.24/712,936.40
  6. Step 6: Final answer
    x = 359,196.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.