Home / 746,128.75-1,029,657.81-406,597

Finding the Fourth Proportional to 746,128.75, 1,029,657.81 and 406,597

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Solution

The fourth proportional to 746,128.75, 1,029,657.81 and 406,597 is: 561,103.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,128.75 : 1,029,657.81 = 406,597 : x
  2. Step 2: Convert to fraction form
    746,128.75/1,029,657.81 = 406,597/x
  3. Step 3: Cross multiply
    746,128.75x = 1,029,657.81 × 406,597
  4. Step 4: Simplify right side
    746,128.75x = 418,655,776,572.57
  5. Step 5: Solve for x
    x = 418,655,776,572.57/746,128.75
  6. Step 6: Final answer
    x = 561,103.93

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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.