Home / 787,714.60-1,180,016.70-471,231.40

Finding the Fourth Proportional to 787,714.60, 1,180,016.70 and 471,231.40

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Solution

The fourth proportional to 787,714.60, 1,180,016.70 and 471,231.40 is: 705,916.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,714.60 : 1,180,016.70 = 471,231.40 : x
  2. Step 2: Convert to fraction form
    787,714.60/1,180,016.70 = 471,231.40/x
  3. Step 3: Cross multiply
    787,714.60x = 1,180,016.70 × 471,231.40
  4. Step 4: Simplify right side
    787,714.60x = 556,060,921,564.38
  5. Step 5: Solve for x
    x = 556,060,921,564.38/787,714.60
  6. Step 6: Final answer
    x = 705,916.74

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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.