Home / 674,807.10-1,012,210.65-275,315.10

Finding the Fourth Proportional to 674,807.10, 1,012,210.65 and 275,315.10

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Solution

The fourth proportional to 674,807.10, 1,012,210.65 and 275,315.10 is: 412,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,807.10 : 1,012,210.65 = 275,315.10 : x
  2. Step 2: Convert to fraction form
    674,807.10/1,012,210.65 = 275,315.10/x
  3. Step 3: Cross multiply
    674,807.10x = 1,012,210.65 × 275,315.10
  4. Step 4: Simplify right side
    674,807.10x = 278,676,876,325.82
  5. Step 5: Solve for x
    x = 278,676,876,325.82/674,807.10
  6. Step 6: Final answer
    x = 412,972.65

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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.