Home / 743,601.45-1,026,167.28-421,373.13

Finding the Fourth Proportional to 743,601.45, 1,026,167.28 and 421,373.13

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Solution

The fourth proportional to 743,601.45, 1,026,167.28 and 421,373.13 is: 581,493.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,601.45 : 1,026,167.28 = 421,373.13 : x
  2. Step 2: Convert to fraction form
    743,601.45/1,026,167.28 = 421,373.13/x
  3. Step 3: Cross multiply
    743,601.45x = 1,026,167.28 × 421,373.13
  4. Step 4: Simplify right side
    743,601.45x = 432,399,318,677.19
  5. Step 5: Solve for x
    x = 432,399,318,677.19/743,601.45
  6. Step 6: Final answer
    x = 581,493.38

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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.