Home / 699,095.20-1,047,951.60-277,808.80

Finding the Fourth Proportional to 699,095.20, 1,047,951.60 and 277,808.80

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Solution

The fourth proportional to 699,095.20, 1,047,951.60 and 277,808.80 is: 416,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,095.20 : 1,047,951.60 = 277,808.80 : x
  2. Step 2: Convert to fraction form
    699,095.20/1,047,951.60 = 277,808.80/x
  3. Step 3: Cross multiply
    699,095.20x = 1,047,951.60 × 277,808.80
  4. Step 4: Simplify right side
    699,095.20x = 291,130,176,454.08
  5. Step 5: Solve for x
    x = 291,130,176,454.08/699,095.20
  6. Step 6: Final answer
    x = 416,438.53

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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.