Home / 651,040.56-977,192.10-314,318.70

Finding the Fourth Proportional to 651,040.56, 977,192.10 and 314,318.70

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Solution

The fourth proportional to 651,040.56, 977,192.10 and 314,318.70 is: 471,782.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,040.56 : 977,192.10 = 314,318.70 : x
  2. Step 2: Convert to fraction form
    651,040.56/977,192.10 = 314,318.70/x
  3. Step 3: Cross multiply
    651,040.56x = 977,192.10 × 314,318.70
  4. Step 4: Simplify right side
    651,040.56x = 307,149,750,522.27
  5. Step 5: Solve for x
    x = 307,149,750,522.27/651,040.56
  6. Step 6: Final answer
    x = 471,782.82

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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.