Home / 1,382,432.50-2,073,648.75-331,808.50

Finding the Fourth Proportional to 1,382,432.50, 2,073,648.75 and 331,808.50

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Solution

The fourth proportional to 1,382,432.50, 2,073,648.75 and 331,808.50 is: 497,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,432.50 : 2,073,648.75 = 331,808.50 : x
  2. Step 2: Convert to fraction form
    1,382,432.50/2,073,648.75 = 331,808.50/x
  3. Step 3: Cross multiply
    1,382,432.50x = 2,073,648.75 × 331,808.50
  4. Step 4: Simplify right side
    1,382,432.50x = 688,054,281,264.38
  5. Step 5: Solve for x
    x = 688,054,281,264.38/1,382,432.50
  6. Step 6: Final answer
    x = 497,712.75

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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.