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Finding the Fourth Proportional to 888,770.61, 1,226,494.72 and 480,863.51

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Solution

The fourth proportional to 888,770.61, 1,226,494.72 and 480,863.51 is: 663,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,770.61 : 1,226,494.72 = 480,863.51 : x
  2. Step 2: Convert to fraction form
    888,770.61/1,226,494.72 = 480,863.51/x
  3. Step 3: Cross multiply
    888,770.61x = 1,226,494.72 × 480,863.51
  4. Step 4: Simplify right side
    888,770.61x = 589,776,548,721.04
  5. Step 5: Solve for x
    x = 589,776,548,721.04/888,770.61
  6. Step 6: Final answer
    x = 663,586.92

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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.