Home / 651,122.01-977,016.45-309,951.55

Finding the Fourth Proportional to 651,122.01, 977,016.45 and 309,951.55

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Solution

The fourth proportional to 651,122.01, 977,016.45 and 309,951.55 is: 465,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,122.01 : 977,016.45 = 309,951.55 : x
  2. Step 2: Convert to fraction form
    651,122.01/977,016.45 = 309,951.55/x
  3. Step 3: Cross multiply
    651,122.01x = 977,016.45 × 309,951.55
  4. Step 4: Simplify right side
    651,122.01x = 302,827,762,972.99
  5. Step 5: Solve for x
    x = 302,827,762,972.99/651,122.01
  6. Step 6: Final answer
    x = 465,086.05

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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.