Home / 640,757.16-961,417.08-304,041.24

Finding the Fourth Proportional to 640,757.16, 961,417.08 and 304,041.24

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Solution

The fourth proportional to 640,757.16, 961,417.08 and 304,041.24 is: 456,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,757.16 : 961,417.08 = 304,041.24 : x
  2. Step 2: Convert to fraction form
    640,757.16/961,417.08 = 304,041.24/x
  3. Step 3: Cross multiply
    640,757.16x = 961,417.08 × 304,041.24
  4. Step 4: Simplify right side
    640,757.16x = 292,310,441,160.38
  5. Step 5: Solve for x
    x = 292,310,441,160.38/640,757.16
  6. Step 6: Final answer
    x = 456,195.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.