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Finding the Fourth Proportional to 556,893.20, 834,902.40 and 307,575.20

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Solution

The fourth proportional to 556,893.20, 834,902.40 and 307,575.20 is: 461,121.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,893.20 : 834,902.40 = 307,575.20 : x
  2. Step 2: Convert to fraction form
    556,893.20/834,902.40 = 307,575.20/x
  3. Step 3: Cross multiply
    556,893.20x = 834,902.40 × 307,575.20
  4. Step 4: Simplify right side
    556,893.20x = 256,795,272,660.48
  5. Step 5: Solve for x
    x = 256,795,272,660.48/556,893.20
  6. Step 6: Final answer
    x = 461,121.22

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1.5x scale

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.