Home / 776,330.30-1,071,324.26-432,165.60

Finding the Fourth Proportional to 776,330.30, 1,071,324.26 and 432,165.60

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Solution

The fourth proportional to 776,330.30, 1,071,324.26 and 432,165.60 is: 596,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,330.30 : 1,071,324.26 = 432,165.60 : x
  2. Step 2: Convert to fraction form
    776,330.30/1,071,324.26 = 432,165.60/x
  3. Step 3: Cross multiply
    776,330.30x = 1,071,324.26 × 432,165.60
  4. Step 4: Simplify right side
    776,330.30x = 462,989,491,617.46
  5. Step 5: Solve for x
    x = 462,989,491,617.46/776,330.30
  6. Step 6: Final answer
    x = 596,382.10

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.