Home / 712,900.16-1,069,350.24-239,585.52

Finding the Fourth Proportional to 712,900.16, 1,069,350.24 and 239,585.52

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Solution

The fourth proportional to 712,900.16, 1,069,350.24 and 239,585.52 is: 359,378.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,900.16 : 1,069,350.24 = 239,585.52 : x
  2. Step 2: Convert to fraction form
    712,900.16/1,069,350.24 = 239,585.52/x
  3. Step 3: Cross multiply
    712,900.16x = 1,069,350.24 × 239,585.52
  4. Step 4: Simplify right side
    712,900.16x = 256,200,833,312.53
  5. Step 5: Solve for x
    x = 256,200,833,312.53/712,900.16
  6. Step 6: Final answer
    x = 359,378.28

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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.