Home / 757,758.90-1,045,702.22-418,227.14

Finding the Fourth Proportional to 757,758.90, 1,045,702.22 and 418,227.14

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Solution

The fourth proportional to 757,758.90, 1,045,702.22 and 418,227.14 is: 577,150.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,758.90 : 1,045,702.22 = 418,227.14 : x
  2. Step 2: Convert to fraction form
    757,758.90/1,045,702.22 = 418,227.14/x
  3. Step 3: Cross multiply
    757,758.90x = 1,045,702.22 × 418,227.14
  4. Step 4: Simplify right side
    757,758.90x = 437,341,048,762.25
  5. Step 5: Solve for x
    x = 437,341,048,762.25/757,758.90
  6. Step 6: Final answer
    x = 577,150.66

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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.