Home / 755,473.64-1,133,254.88-215,688.42

Finding the Fourth Proportional to 755,473.64, 1,133,254.88 and 215,688.42

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Solution

The fourth proportional to 755,473.64, 1,133,254.88 and 215,688.42 is: 323,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,473.64 : 1,133,254.88 = 215,688.42 : x
  2. Step 2: Convert to fraction form
    755,473.64/1,133,254.88 = 215,688.42/x
  3. Step 3: Cross multiply
    755,473.64x = 1,133,254.88 × 215,688.42
  4. Step 4: Simplify right side
    755,473.64x = 244,429,953,446.05
  5. Step 5: Solve for x
    x = 244,429,953,446.05/755,473.64
  6. Step 6: Final answer
    x = 323,545.31

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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.