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Finding the Fourth Proportional to 454,608.40, 627,102.70 and 284,547.28

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Solution

The fourth proportional to 454,608.40, 627,102.70 and 284,547.28 is: 392,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,608.40 : 627,102.70 = 284,547.28 : x
  2. Step 2: Convert to fraction form
    454,608.40/627,102.70 = 284,547.28/x
  3. Step 3: Cross multiply
    454,608.40x = 627,102.70 × 284,547.28
  4. Step 4: Simplify right side
    454,608.40x = 178,440,367,565.66
  5. Step 5: Solve for x
    x = 178,440,367,565.66/454,608.40
  6. Step 6: Final answer
    x = 392,514.45

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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.