Home / 876,305.70-1,314,458.55-498,392.10

Finding the Fourth Proportional to 876,305.70, 1,314,458.55 and 498,392.10

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Solution

The fourth proportional to 876,305.70, 1,314,458.55 and 498,392.10 is: 747,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,305.70 : 1,314,458.55 = 498,392.10 : x
  2. Step 2: Convert to fraction form
    876,305.70/1,314,458.55 = 498,392.10/x
  3. Step 3: Cross multiply
    876,305.70x = 1,314,458.55 × 498,392.10
  4. Step 4: Simplify right side
    876,305.70x = 655,115,757,097.46
  5. Step 5: Solve for x
    x = 655,115,757,097.46/876,305.70
  6. Step 6: Final answer
    x = 747,588.15

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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.