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Finding the Fourth Proportional to 587,807.40, 881,711.10 and 307,410.60

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Solution

The fourth proportional to 587,807.40, 881,711.10 and 307,410.60 is: 461,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,807.40 : 881,711.10 = 307,410.60 : x
  2. Step 2: Convert to fraction form
    587,807.40/881,711.10 = 307,410.60/x
  3. Step 3: Cross multiply
    587,807.40x = 881,711.10 × 307,410.60
  4. Step 4: Simplify right side
    587,807.40x = 271,047,338,277.66
  5. Step 5: Solve for x
    x = 271,047,338,277.66/587,807.40
  6. Step 6: Final answer
    x = 461,115.90

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Similar ratio
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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.