Home / 757,777.32-1,045,658.25-418,223.70

Finding the Fourth Proportional to 757,777.32, 1,045,658.25 and 418,223.70

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Solution

The fourth proportional to 757,777.32, 1,045,658.25 and 418,223.70 is: 577,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,777.32 : 1,045,658.25 = 418,223.70 : x
  2. Step 2: Convert to fraction form
    757,777.32/1,045,658.25 = 418,223.70/x
  3. Step 3: Cross multiply
    757,777.32x = 1,045,658.25 × 418,223.70
  4. Step 4: Simplify right side
    757,777.32x = 437,319,062,250.53
  5. Step 5: Solve for x
    x = 437,319,062,250.53/757,777.32
  6. Step 6: Final answer
    x = 577,107.62

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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.