Home / 702,079.80-1,053,119.70-281,657.40

Finding the Fourth Proportional to 702,079.80, 1,053,119.70 and 281,657.40

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Solution

The fourth proportional to 702,079.80, 1,053,119.70 and 281,657.40 is: 422,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,079.80 : 1,053,119.70 = 281,657.40 : x
  2. Step 2: Convert to fraction form
    702,079.80/1,053,119.70 = 281,657.40/x
  3. Step 3: Cross multiply
    702,079.80x = 1,053,119.70 × 281,657.40
  4. Step 4: Simplify right side
    702,079.80x = 296,618,956,590.78
  5. Step 5: Solve for x
    x = 296,618,956,590.78/702,079.80
  6. Step 6: Final answer
    x = 422,486.10

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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.