Home / 917,288.20-1,375,932.30-243,368.20

Finding the Fourth Proportional to 917,288.20, 1,375,932.30 and 243,368.20

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Solution

The fourth proportional to 917,288.20, 1,375,932.30 and 243,368.20 is: 365,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,288.20 : 1,375,932.30 = 243,368.20 : x
  2. Step 2: Convert to fraction form
    917,288.20/1,375,932.30 = 243,368.20/x
  3. Step 3: Cross multiply
    917,288.20x = 1,375,932.30 × 243,368.20
  4. Step 4: Simplify right side
    917,288.20x = 334,858,167,172.86
  5. Step 5: Solve for x
    x = 334,858,167,172.86/917,288.20
  6. Step 6: Final answer
    x = 365,052.30

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1.5x scale

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.