Home / 908,937.28-1,363,258.25-429,164.15

Finding the Fourth Proportional to 908,937.28, 1,363,258.25 and 429,164.15

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Solution

The fourth proportional to 908,937.28, 1,363,258.25 and 429,164.15 is: 643,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,937.28 : 1,363,258.25 = 429,164.15 : x
  2. Step 2: Convert to fraction form
    908,937.28/1,363,258.25 = 429,164.15/x
  3. Step 3: Cross multiply
    908,937.28x = 1,363,258.25 × 429,164.15
  4. Step 4: Simplify right side
    908,937.28x = 585,061,568,091.74
  5. Step 5: Solve for x
    x = 585,061,568,091.74/908,937.28
  6. Step 6: Final answer
    x = 643,676.50

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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.