Home / 764,046.80-1,146,070.20-586,899.80

Finding the Fourth Proportional to 764,046.80, 1,146,070.20 and 586,899.80

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Solution

The fourth proportional to 764,046.80, 1,146,070.20 and 586,899.80 is: 880,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,046.80 : 1,146,070.20 = 586,899.80 : x
  2. Step 2: Convert to fraction form
    764,046.80/1,146,070.20 = 586,899.80/x
  3. Step 3: Cross multiply
    764,046.80x = 1,146,070.20 × 586,899.80
  4. Step 4: Simplify right side
    764,046.80x = 672,628,371,165.96
  5. Step 5: Solve for x
    x = 672,628,371,165.96/764,046.80
  6. Step 6: Final answer
    x = 880,349.70

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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.