Home / 908,144.10-1,362,216.15-572,220.90

Finding the Fourth Proportional to 908,144.10, 1,362,216.15 and 572,220.90

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Solution

The fourth proportional to 908,144.10, 1,362,216.15 and 572,220.90 is: 858,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,144.10 : 1,362,216.15 = 572,220.90 : x
  2. Step 2: Convert to fraction form
    908,144.10/1,362,216.15 = 572,220.90/x
  3. Step 3: Cross multiply
    908,144.10x = 1,362,216.15 × 572,220.90
  4. Step 4: Simplify right side
    908,144.10x = 779,488,551,347.54
  5. Step 5: Solve for x
    x = 779,488,551,347.54/908,144.10
  6. Step 6: Final answer
    x = 858,331.35

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Double scale
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Similar ratio
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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.