Home / 876,348.40-1,314,004.20-456,444.40

Finding the Fourth Proportional to 876,348.40, 1,314,004.20 and 456,444.40

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Solution

The fourth proportional to 876,348.40, 1,314,004.20 and 456,444.40 is: 684,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,348.40 : 1,314,004.20 = 456,444.40 : x
  2. Step 2: Convert to fraction form
    876,348.40/1,314,004.20 = 456,444.40/x
  3. Step 3: Cross multiply
    876,348.40x = 1,314,004.20 × 456,444.40
  4. Step 4: Simplify right side
    876,348.40x = 599,769,858,666.48
  5. Step 5: Solve for x
    x = 599,769,858,666.48/876,348.40
  6. Step 6: Final answer
    x = 684,396.59

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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.