Home / 744,003.48-1,026,804.96-421,678.92

Finding the Fourth Proportional to 744,003.48, 1,026,804.96 and 421,678.92

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Solution

The fourth proportional to 744,003.48, 1,026,804.96 and 421,678.92 is: 581,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,003.48 : 1,026,804.96 = 421,678.92 : x
  2. Step 2: Convert to fraction form
    744,003.48/1,026,804.96 = 421,678.92/x
  3. Step 3: Cross multiply
    744,003.48x = 1,026,804.96 × 421,678.92
  4. Step 4: Simplify right side
    744,003.48x = 432,982,006,583.44
  5. Step 5: Solve for x
    x = 432,982,006,583.44/744,003.48
  6. Step 6: Final answer
    x = 581,962.34

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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.