Home / 899,140.60-1,349,229.30-338,577.40

Finding the Fourth Proportional to 899,140.60, 1,349,229.30 and 338,577.40

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Solution

The fourth proportional to 899,140.60, 1,349,229.30 and 338,577.40 is: 508,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,140.60 : 1,349,229.30 = 338,577.40 : x
  2. Step 2: Convert to fraction form
    899,140.60/1,349,229.30 = 338,577.40/x
  3. Step 3: Cross multiply
    899,140.60x = 1,349,229.30 × 338,577.40
  4. Step 4: Simplify right side
    899,140.60x = 456,818,548,397.82
  5. Step 5: Solve for x
    x = 456,818,548,397.82/899,140.60
  6. Step 6: Final answer
    x = 508,061.31

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Double scale
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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.