Home / 688,601.70-1,032,902.55-369,737.10

Finding the Fourth Proportional to 688,601.70, 1,032,902.55 and 369,737.10

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Solution

The fourth proportional to 688,601.70, 1,032,902.55 and 369,737.10 is: 554,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,601.70 : 1,032,902.55 = 369,737.10 : x
  2. Step 2: Convert to fraction form
    688,601.70/1,032,902.55 = 369,737.10/x
  3. Step 3: Cross multiply
    688,601.70x = 1,032,902.55 × 369,737.10
  4. Step 4: Simplify right side
    688,601.70x = 381,902,393,419.61
  5. Step 5: Solve for x
    x = 381,902,393,419.61/688,601.70
  6. Step 6: Final answer
    x = 554,605.65

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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.