Home / 748,880.30-1,123,320.45-741,007.10

Finding the Fourth Proportional to 748,880.30, 1,123,320.45 and 741,007.10

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Solution

The fourth proportional to 748,880.30, 1,123,320.45 and 741,007.10 is: 1,111,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,880.30 : 1,123,320.45 = 741,007.10 : x
  2. Step 2: Convert to fraction form
    748,880.30/1,123,320.45 = 741,007.10/x
  3. Step 3: Cross multiply
    748,880.30x = 1,123,320.45 × 741,007.10
  4. Step 4: Simplify right side
    748,880.30x = 832,388,429,025.20
  5. Step 5: Solve for x
    x = 832,388,429,025.20/748,880.30
  6. Step 6: Final answer
    x = 1,111,510.65

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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.