Home / 639,264.60-882,335.88-367,490.16

Finding the Fourth Proportional to 639,264.60, 882,335.88 and 367,490.16

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Solution

The fourth proportional to 639,264.60, 882,335.88 and 367,490.16 is: 507,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,264.60 : 882,335.88 = 367,490.16 : x
  2. Step 2: Convert to fraction form
    639,264.60/882,335.88 = 367,490.16/x
  3. Step 3: Cross multiply
    639,264.60x = 882,335.88 × 367,490.16
  4. Step 4: Simplify right side
    639,264.60x = 324,249,753,714.94
  5. Step 5: Solve for x
    x = 324,249,753,714.94/639,264.60
  6. Step 6: Final answer
    x = 507,223.07

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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.