Home / 987,693.60-1,362,997.62-552,108.90

Finding the Fourth Proportional to 987,693.60, 1,362,997.62 and 552,108.90

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Solution

The fourth proportional to 987,693.60, 1,362,997.62 and 552,108.90 is: 761,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,693.60 : 1,362,997.62 = 552,108.90 : x
  2. Step 2: Convert to fraction form
    987,693.60/1,362,997.62 = 552,108.90/x
  3. Step 3: Cross multiply
    987,693.60x = 1,362,997.62 × 552,108.90
  4. Step 4: Simplify right side
    987,693.60x = 752,523,116,680.82
  5. Step 5: Solve for x
    x = 752,523,116,680.82/987,693.60
  6. Step 6: Final answer
    x = 761,899.35

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1.5x scale

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.