Home / 752,859.84-1,038,913.92-413,333.76

Finding the Fourth Proportional to 752,859.84, 1,038,913.92 and 413,333.76

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Solution

The fourth proportional to 752,859.84, 1,038,913.92 and 413,333.76 is: 570,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,859.84 : 1,038,913.92 = 413,333.76 : x
  2. Step 2: Convert to fraction form
    752,859.84/1,038,913.92 = 413,333.76/x
  3. Step 3: Cross multiply
    752,859.84x = 1,038,913.92 × 413,333.76
  4. Step 4: Simplify right side
    752,859.84x = 429,418,196,869.94
  5. Step 5: Solve for x
    x = 429,418,196,869.94/752,859.84
  6. Step 6: Final answer
    x = 570,382.66

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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.