Home / 910,380.56-1,365,463.16-572,423.12

Finding the Fourth Proportional to 910,380.56, 1,365,463.16 and 572,423.12

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Solution

The fourth proportional to 910,380.56, 1,365,463.16 and 572,423.12 is: 858,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,380.56 : 1,365,463.16 = 572,423.12 : x
  2. Step 2: Convert to fraction form
    910,380.56/1,365,463.16 = 572,423.12/x
  3. Step 3: Cross multiply
    910,380.56x = 1,365,463.16 × 572,423.12
  4. Step 4: Simplify right side
    910,380.56x = 781,622,682,292.26
  5. Step 5: Solve for x
    x = 781,622,682,292.26/910,380.56
  6. Step 6: Final answer
    x = 858,566.97

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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.