Home / 722,726.54-1,085,654.12-469,876.98

Finding the Fourth Proportional to 722,726.54, 1,085,654.12 and 469,876.98

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Solution

The fourth proportional to 722,726.54, 1,085,654.12 and 469,876.98 is: 705,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,726.54 : 1,085,654.12 = 469,876.98 : x
  2. Step 2: Convert to fraction form
    722,726.54/1,085,654.12 = 469,876.98/x
  3. Step 3: Cross multiply
    722,726.54x = 1,085,654.12 × 469,876.98
  4. Step 4: Simplify right side
    722,726.54x = 510,123,879,230.16
  5. Step 5: Solve for x
    x = 510,123,879,230.16/722,726.54
  6. Step 6: Final answer
    x = 705,832.50

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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.