Home / 730,189.40-1,007,658.83-403,493.31

Finding the Fourth Proportional to 730,189.40, 1,007,658.83 and 403,493.31

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Solution

The fourth proportional to 730,189.40, 1,007,658.83 and 403,493.31 is: 556,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,189.40 : 1,007,658.83 = 403,493.31 : x
  2. Step 2: Convert to fraction form
    730,189.40/1,007,658.83 = 403,493.31/x
  3. Step 3: Cross multiply
    730,189.40x = 1,007,658.83 × 403,493.31
  4. Step 4: Simplify right side
    730,189.40x = 406,583,594,649.96
  5. Step 5: Solve for x
    x = 406,583,594,649.96/730,189.40
  6. Step 6: Final answer
    x = 556,819.36

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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.