Home / 752,123.36-1,038,001.20-429,771

Finding the Fourth Proportional to 752,123.36, 1,038,001.20 and 429,771

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Solution

The fourth proportional to 752,123.36, 1,038,001.20 and 429,771 is: 593,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,123.36 : 1,038,001.20 = 429,771 : x
  2. Step 2: Convert to fraction form
    752,123.36/1,038,001.20 = 429,771/x
  3. Step 3: Cross multiply
    752,123.36x = 1,038,001.20 × 429,771
  4. Step 4: Simplify right side
    752,123.36x = 446,102,813,725.20
  5. Step 5: Solve for x
    x = 446,102,813,725.20/752,123.36
  6. Step 6: Final answer
    x = 593,124.53

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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.