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Finding the Fourth Proportional to 651,195.60, 977,959.80 and 473,902.80

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Solution

The fourth proportional to 651,195.60, 977,959.80 and 473,902.80 is: 711,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,195.60 : 977,959.80 = 473,902.80 : x
  2. Step 2: Convert to fraction form
    651,195.60/977,959.80 = 473,902.80/x
  3. Step 3: Cross multiply
    651,195.60x = 977,959.80 × 473,902.80
  4. Step 4: Simplify right side
    651,195.60x = 463,457,887,507.44
  5. Step 5: Solve for x
    x = 463,457,887,507.44/651,195.60
  6. Step 6: Final answer
    x = 711,703.04

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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.