Home / 928,737.80-1,393,301.10-297,715.40

Finding the Fourth Proportional to 928,737.80, 1,393,301.10 and 297,715.40

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Solution

The fourth proportional to 928,737.80, 1,393,301.10 and 297,715.40 is: 446,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,737.80 : 1,393,301.10 = 297,715.40 : x
  2. Step 2: Convert to fraction form
    928,737.80/1,393,301.10 = 297,715.40/x
  3. Step 3: Cross multiply
    928,737.80x = 1,393,301.10 × 297,715.40
  4. Step 4: Simplify right side
    928,737.80x = 414,807,194,306.94
  5. Step 5: Solve for x
    x = 414,807,194,306.94/928,737.80
  6. Step 6: Final answer
    x = 446,635.42

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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.