Home / 987,693.48-1,363,017.04-534,984.48

Finding the Fourth Proportional to 987,693.48, 1,363,017.04 and 534,984.48

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Solution

The fourth proportional to 987,693.48, 1,363,017.04 and 534,984.48 is: 738,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,693.48 : 1,363,017.04 = 534,984.48 : x
  2. Step 2: Convert to fraction form
    987,693.48/1,363,017.04 = 534,984.48/x
  3. Step 3: Cross multiply
    987,693.48x = 1,363,017.04 × 534,984.48
  4. Step 4: Simplify right side
    987,693.48x = 729,192,961,038.08
  5. Step 5: Solve for x
    x = 729,192,961,038.08/987,693.48
  6. Step 6: Final answer
    x = 738,278.60

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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.