Home / 908,051.40-1,362,077.10-509,470.65

Finding the Fourth Proportional to 908,051.40, 1,362,077.10 and 509,470.65

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Solution

The fourth proportional to 908,051.40, 1,362,077.10 and 509,470.65 is: 764,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,051.40 : 1,362,077.10 = 509,470.65 : x
  2. Step 2: Convert to fraction form
    908,051.40/1,362,077.10 = 509,470.65/x
  3. Step 3: Cross multiply
    908,051.40x = 1,362,077.10 × 509,470.65
  4. Step 4: Simplify right side
    908,051.40x = 693,938,305,487.12
  5. Step 5: Solve for x
    x = 693,938,305,487.12/908,051.40
  6. Step 6: Final answer
    x = 764,205.98

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Similar ratio
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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.