Home / 757,817.52-1,045,788.24-418,285.84

Finding the Fourth Proportional to 757,817.52, 1,045,788.24 and 418,285.84

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Solution

The fourth proportional to 757,817.52, 1,045,788.24 and 418,285.84 is: 577,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,817.52 : 1,045,788.24 = 418,285.84 : x
  2. Step 2: Convert to fraction form
    757,817.52/1,045,788.24 = 418,285.84/x
  3. Step 3: Cross multiply
    757,817.52x = 1,045,788.24 × 418,285.84
  4. Step 4: Simplify right side
    757,817.52x = 437,438,412,430.52
  5. Step 5: Solve for x
    x = 437,438,412,430.52/757,817.52
  6. Step 6: Final answer
    x = 577,234.49

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Double scale
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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.