Home / 747,046.40-1,031,257.98-506,060.87

Finding the Fourth Proportional to 747,046.40, 1,031,257.98 and 506,060.87

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Solution

The fourth proportional to 747,046.40, 1,031,257.98 and 506,060.87 is: 698,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,046.40 : 1,031,257.98 = 506,060.87 : x
  2. Step 2: Convert to fraction form
    747,046.40/1,031,257.98 = 506,060.87/x
  3. Step 3: Cross multiply
    747,046.40x = 1,031,257.98 × 506,060.87
  4. Step 4: Simplify right side
    747,046.40x = 521,879,305,396.95
  5. Step 5: Solve for x
    x = 521,879,305,396.95/747,046.40
  6. Step 6: Final answer
    x = 698,590.22

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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.