Home / 908,122.70-1,362,475.65-402,488.30

Finding the Fourth Proportional to 908,122.70, 1,362,475.65 and 402,488.30

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Solution

The fourth proportional to 908,122.70, 1,362,475.65 and 402,488.30 is: 603,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,122.70 : 1,362,475.65 = 402,488.30 : x
  2. Step 2: Convert to fraction form
    908,122.70/1,362,475.65 = 402,488.30/x
  3. Step 3: Cross multiply
    908,122.70x = 1,362,475.65 × 402,488.30
  4. Step 4: Simplify right side
    908,122.70x = 548,380,508,159.90
  5. Step 5: Solve for x
    x = 548,380,508,159.90/908,122.70
  6. Step 6: Final answer
    x = 603,861.69

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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.