Home / 876,980.40-1,314,486.45-498,082.65

Finding the Fourth Proportional to 876,980.40, 1,314,486.45 and 498,082.65

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Solution

The fourth proportional to 876,980.40, 1,314,486.45 and 498,082.65 is: 746,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,980.40 : 1,314,486.45 = 498,082.65 : x
  2. Step 2: Convert to fraction form
    876,980.40/1,314,486.45 = 498,082.65/x
  3. Step 3: Cross multiply
    876,980.40x = 1,314,486.45 × 498,082.65
  4. Step 4: Simplify right side
    876,980.40x = 654,722,894,405.09
  5. Step 5: Solve for x
    x = 654,722,894,405.09/876,980.40
  6. Step 6: Final answer
    x = 746,565.03

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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.