Home / 752,164.43-1,037,980.71-407,999.48

Finding the Fourth Proportional to 752,164.43, 1,037,980.71 and 407,999.48

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Solution

The fourth proportional to 752,164.43, 1,037,980.71 and 407,999.48 is: 563,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,164.43 : 1,037,980.71 = 407,999.48 : x
  2. Step 2: Convert to fraction form
    752,164.43/1,037,980.71 = 407,999.48/x
  3. Step 3: Cross multiply
    752,164.43x = 1,037,980.71 × 407,999.48
  4. Step 4: Simplify right side
    752,164.43x = 423,495,584,740.13
  5. Step 5: Solve for x
    x = 423,495,584,740.13/752,164.43
  6. Step 6: Final answer
    x = 563,035.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.