Home / 1,038,003.35-1,557,005.03-328,248.95

Finding the Fourth Proportional to 1,038,003.35, 1,557,005.03 and 328,248.95

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Solution

The fourth proportional to 1,038,003.35, 1,557,005.03 and 328,248.95 is: 492,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,003.35 : 1,557,005.03 = 328,248.95 : x
  2. Step 2: Convert to fraction form
    1,038,003.35/1,557,005.03 = 328,248.95/x
  3. Step 3: Cross multiply
    1,038,003.35x = 1,557,005.03 × 328,248.95
  4. Step 4: Simplify right side
    1,038,003.35x = 511,085,264,600.97
  5. Step 5: Solve for x
    x = 511,085,264,600.97/1,038,003.35
  6. Step 6: Final answer
    x = 492,373.43

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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.