Home / 731,881.28-1,097,070.24-282,480.32

Finding the Fourth Proportional to 731,881.28, 1,097,070.24 and 282,480.32

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Solution

The fourth proportional to 731,881.28, 1,097,070.24 and 282,480.32 is: 423,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,881.28 : 1,097,070.24 = 282,480.32 : x
  2. Step 2: Convert to fraction form
    731,881.28/1,097,070.24 = 282,480.32/x
  3. Step 3: Cross multiply
    731,881.28x = 1,097,070.24 × 282,480.32
  4. Step 4: Simplify right side
    731,881.28x = 309,900,752,457.68
  5. Step 5: Solve for x
    x = 309,900,752,457.68/731,881.28
  6. Step 6: Final answer
    x = 423,430.36

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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.