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Finding the Fourth Proportional to 662,987.60, 992,148.60 and 453,035.60

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Solution

The fourth proportional to 662,987.60, 992,148.60 and 453,035.60 is: 677,959.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,987.60 : 992,148.60 = 453,035.60 : x
  2. Step 2: Convert to fraction form
    662,987.60/992,148.60 = 453,035.60/x
  3. Step 3: Cross multiply
    662,987.60x = 992,148.60 × 453,035.60
  4. Step 4: Simplify right side
    662,987.60x = 449,478,636,290.16
  5. Step 5: Solve for x
    x = 449,478,636,290.16/662,987.60
  6. Step 6: Final answer
    x = 677,959.34

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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.