Home / 698,319.12-1,047,937.88-382,997.36

Finding the Fourth Proportional to 698,319.12, 1,047,937.88 and 382,997.36

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Solution

The fourth proportional to 698,319.12, 1,047,937.88 and 382,997.36 is: 574,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,319.12 : 1,047,937.88 = 382,997.36 : x
  2. Step 2: Convert to fraction form
    698,319.12/1,047,937.88 = 382,997.36/x
  3. Step 3: Cross multiply
    698,319.12x = 1,047,937.88 × 382,997.36
  4. Step 4: Simplify right side
    698,319.12x = 401,357,441,484.00
  5. Step 5: Solve for x
    x = 401,357,441,484.00/698,319.12
  6. Step 6: Final answer
    x = 574,747.89

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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.