Home / 887,067.30-1,330,600.95-381,870.30

Finding the Fourth Proportional to 887,067.30, 1,330,600.95 and 381,870.30

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Solution

The fourth proportional to 887,067.30, 1,330,600.95 and 381,870.30 is: 572,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,067.30 : 1,330,600.95 = 381,870.30 : x
  2. Step 2: Convert to fraction form
    887,067.30/1,330,600.95 = 381,870.30/x
  3. Step 3: Cross multiply
    887,067.30x = 1,330,600.95 × 381,870.30
  4. Step 4: Simplify right side
    887,067.30x = 508,116,983,956.79
  5. Step 5: Solve for x
    x = 508,116,983,956.79/887,067.30
  6. Step 6: Final answer
    x = 572,805.45

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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.