Home / 870,854.36-1,306,330.16-271,898.24

Finding the Fourth Proportional to 870,854.36, 1,306,330.16 and 271,898.24

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Solution

The fourth proportional to 870,854.36, 1,306,330.16 and 271,898.24 is: 407,862.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,854.36 : 1,306,330.16 = 271,898.24 : x
  2. Step 2: Convert to fraction form
    870,854.36/1,306,330.16 = 271,898.24/x
  3. Step 3: Cross multiply
    870,854.36x = 1,306,330.16 × 271,898.24
  4. Step 4: Simplify right side
    870,854.36x = 355,188,871,362.92
  5. Step 5: Solve for x
    x = 355,188,871,362.92/870,854.36
  6. Step 6: Final answer
    x = 407,862.54

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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.