Home / 1,008,304.10-1,512,456.15-409,552.10

Finding the Fourth Proportional to 1,008,304.10, 1,512,456.15 and 409,552.10

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Solution

The fourth proportional to 1,008,304.10, 1,512,456.15 and 409,552.10 is: 614,328.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,304.10 : 1,512,456.15 = 409,552.10 : x
  2. Step 2: Convert to fraction form
    1,008,304.10/1,512,456.15 = 409,552.10/x
  3. Step 3: Cross multiply
    1,008,304.10x = 1,512,456.15 × 409,552.10
  4. Step 4: Simplify right side
    1,008,304.10x = 619,429,592,390.42
  5. Step 5: Solve for x
    x = 619,429,592,390.42/1,008,304.10
  6. Step 6: Final answer
    x = 614,328.15

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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.