Home / 651,937.20-977,128.20-336,231.60

Finding the Fourth Proportional to 651,937.20, 977,128.20 and 336,231.60

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Solution

The fourth proportional to 651,937.20, 977,128.20 and 336,231.60 is: 503,946.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,937.20 : 977,128.20 = 336,231.60 : x
  2. Step 2: Convert to fraction form
    651,937.20/977,128.20 = 336,231.60/x
  3. Step 3: Cross multiply
    651,937.20x = 977,128.20 × 336,231.60
  4. Step 4: Simplify right side
    651,937.20x = 328,541,378,091.12
  5. Step 5: Solve for x
    x = 328,541,378,091.12/651,937.20
  6. Step 6: Final answer
    x = 503,946.36

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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.