Home / 867,569.28-1,197,245.28-485,595.96

Finding the Fourth Proportional to 867,569.28, 1,197,245.28 and 485,595.96

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Solution

The fourth proportional to 867,569.28, 1,197,245.28 and 485,595.96 is: 670,122.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,569.28 : 1,197,245.28 = 485,595.96 : x
  2. Step 2: Convert to fraction form
    867,569.28/1,197,245.28 = 485,595.96/x
  3. Step 3: Cross multiply
    867,569.28x = 1,197,245.28 × 485,595.96
  4. Step 4: Simplify right side
    867,569.28x = 581,377,471,097.07
  5. Step 5: Solve for x
    x = 581,377,471,097.07/867,569.28
  6. Step 6: Final answer
    x = 670,122.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.