Home / 917,025.80-1,375,472.64-243,091.76

Finding the Fourth Proportional to 917,025.80, 1,375,472.64 and 243,091.76

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Solution

The fourth proportional to 917,025.80, 1,375,472.64 and 243,091.76 is: 364,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,025.80 : 1,375,472.64 = 243,091.76 : x
  2. Step 2: Convert to fraction form
    917,025.80/1,375,472.64 = 243,091.76/x
  3. Step 3: Cross multiply
    917,025.80x = 1,375,472.64 × 243,091.76
  4. Step 4: Simplify right side
    917,025.80x = 334,366,064,889.45
  5. Step 5: Solve for x
    x = 334,366,064,889.45/917,025.80
  6. Step 6: Final answer
    x = 364,620.13

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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.