Home / 730,042.39-1,007,469.07-403,362.91

Finding the Fourth Proportional to 730,042.39, 1,007,469.07 and 403,362.91

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Solution

The fourth proportional to 730,042.39, 1,007,469.07 and 403,362.91 is: 556,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,042.39 : 1,007,469.07 = 403,362.91 : x
  2. Step 2: Convert to fraction form
    730,042.39/1,007,469.07 = 403,362.91/x
  3. Step 3: Cross multiply
    730,042.39x = 1,007,469.07 × 403,362.91
  4. Step 4: Simplify right side
    730,042.39x = 406,375,655,810.19
  5. Step 5: Solve for x
    x = 406,375,655,810.19/730,042.39
  6. Step 6: Final answer
    x = 556,646.66

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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.