Home / 867,854.06-1,301,529.76-260,617.90

Finding the Fourth Proportional to 867,854.06, 1,301,529.76 and 260,617.90

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Solution

The fourth proportional to 867,854.06, 1,301,529.76 and 260,617.90 is: 390,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,854.06 : 1,301,529.76 = 260,617.90 : x
  2. Step 2: Convert to fraction form
    867,854.06/1,301,529.76 = 260,617.90/x
  3. Step 3: Cross multiply
    867,854.06x = 1,301,529.76 × 260,617.90
  4. Step 4: Simplify right side
    867,854.06x = 339,201,952,838.70
  5. Step 5: Solve for x
    x = 339,201,952,838.70/867,854.06
  6. Step 6: Final answer
    x = 390,851.38

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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.