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Finding the Fourth Proportional to 882,008.76, 1,323,264.40 and 432,864.60

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Solution

The fourth proportional to 882,008.76, 1,323,264.40 and 432,864.60 is: 649,420.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,008.76 : 1,323,264.40 = 432,864.60 : x
  2. Step 2: Convert to fraction form
    882,008.76/1,323,264.40 = 432,864.60/x
  3. Step 3: Cross multiply
    882,008.76x = 1,323,264.40 × 432,864.60
  4. Step 4: Simplify right side
    882,008.76x = 572,794,315,200.24
  5. Step 5: Solve for x
    x = 572,794,315,200.24/882,008.76
  6. Step 6: Final answer
    x = 649,420.21

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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.