Home / 744,013.48-1,026,818.76-421,688.92

Finding the Fourth Proportional to 744,013.48, 1,026,818.76 and 421,688.92

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Solution

The fourth proportional to 744,013.48, 1,026,818.76 and 421,688.92 is: 581,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,013.48 : 1,026,818.76 = 421,688.92 : x
  2. Step 2: Convert to fraction form
    744,013.48/1,026,818.76 = 421,688.92/x
  3. Step 3: Cross multiply
    744,013.48x = 1,026,818.76 × 421,688.92
  4. Step 4: Simplify right side
    744,013.48x = 432,998,093,940.14
  5. Step 5: Solve for x
    x = 432,998,093,940.14/744,013.48
  6. Step 6: Final answer
    x = 581,976.14

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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.