Home / 739,407.89-1,102,899.42-671,296.28

Finding the Fourth Proportional to 739,407.89, 1,102,899.42 and 671,296.28

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Solution

The fourth proportional to 739,407.89, 1,102,899.42 and 671,296.28 is: 1,001,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,407.89 : 1,102,899.42 = 671,296.28 : x
  2. Step 2: Convert to fraction form
    739,407.89/1,102,899.42 = 671,296.28/x
  3. Step 3: Cross multiply
    739,407.89x = 1,102,899.42 × 671,296.28
  4. Step 4: Simplify right side
    739,407.89x = 740,372,272,345.66
  5. Step 5: Solve for x
    x = 740,372,272,345.66/739,407.89
  6. Step 6: Final answer
    x = 1,001,304.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.