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Finding the Fourth Proportional to 882,462, 1,323,693.12 and 527,577.60

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Solution

The fourth proportional to 882,462, 1,323,693.12 and 527,577.60 is: 791,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,462 : 1,323,693.12 = 527,577.60 : x
  2. Step 2: Convert to fraction form
    882,462/1,323,693.12 = 527,577.60/x
  3. Step 3: Cross multiply
    882,462x = 1,323,693.12 × 527,577.60
  4. Step 4: Simplify right side
    882,462x = 698,350,839,386.11
  5. Step 5: Solve for x
    x = 698,350,839,386.11/882,462
  6. Step 6: Final answer
    x = 791,366.47

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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.