Home / 639,032.68-882,158.64-551,469.46

Finding the Fourth Proportional to 639,032.68, 882,158.64 and 551,469.46

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Solution

The fourth proportional to 639,032.68, 882,158.64 and 551,469.46 is: 761,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,032.68 : 882,158.64 = 551,469.46 : x
  2. Step 2: Convert to fraction form
    639,032.68/882,158.64 = 551,469.46/x
  3. Step 3: Cross multiply
    639,032.68x = 882,158.64 × 551,469.46
  4. Step 4: Simplify right side
    639,032.68x = 486,483,548,835.13
  5. Step 5: Solve for x
    x = 486,483,548,835.13/639,032.68
  6. Step 6: Final answer
    x = 761,281.17

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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.