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Finding the Fourth Proportional to 556,316.20, 834,474.30 and 501,203.80

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Solution

The fourth proportional to 556,316.20, 834,474.30 and 501,203.80 is: 751,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,316.20 : 834,474.30 = 501,203.80 : x
  2. Step 2: Convert to fraction form
    556,316.20/834,474.30 = 501,203.80/x
  3. Step 3: Cross multiply
    556,316.20x = 834,474.30 × 501,203.80
  4. Step 4: Simplify right side
    556,316.20x = 418,241,690,162.34
  5. Step 5: Solve for x
    x = 418,241,690,162.34/556,316.20
  6. Step 6: Final answer
    x = 751,805.70

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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.