Home / 637,171.16-955,221.04-426,165.08

Finding the Fourth Proportional to 637,171.16, 955,221.04 and 426,165.08

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Solution

The fourth proportional to 637,171.16, 955,221.04 and 426,165.08 is: 638,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,171.16 : 955,221.04 = 426,165.08 : x
  2. Step 2: Convert to fraction form
    637,171.16/955,221.04 = 426,165.08/x
  3. Step 3: Cross multiply
    637,171.16x = 955,221.04 × 426,165.08
  4. Step 4: Simplify right side
    637,171.16x = 407,081,850,929.28
  5. Step 5: Solve for x
    x = 407,081,850,929.28/637,171.16
  6. Step 6: Final answer
    x = 638,889.32

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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.