Home / 752,500.64-1,038,155.29-430,037.75

Finding the Fourth Proportional to 752,500.64, 1,038,155.29 and 430,037.75

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Solution

The fourth proportional to 752,500.64, 1,038,155.29 and 430,037.75 is: 593,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,500.64 : 1,038,155.29 = 430,037.75 : x
  2. Step 2: Convert to fraction form
    752,500.64/1,038,155.29 = 430,037.75/x
  3. Step 3: Cross multiply
    752,500.64x = 1,038,155.29 × 430,037.75
  4. Step 4: Simplify right side
    752,500.64x = 446,445,966,582.49
  5. Step 5: Solve for x
    x = 446,445,966,582.49/752,500.64
  6. Step 6: Final answer
    x = 593,283.17

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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.