Home / 578,530.40-867,715.60-179,445.60

Finding the Fourth Proportional to 578,530.40, 867,715.60 and 179,445.60

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Solution

The fourth proportional to 578,530.40, 867,715.60 and 179,445.60 is: 269,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,530.40 : 867,715.60 = 179,445.60 : x
  2. Step 2: Convert to fraction form
    578,530.40/867,715.60 = 179,445.60/x
  3. Step 3: Cross multiply
    578,530.40x = 867,715.60 × 179,445.60
  4. Step 4: Simplify right side
    578,530.40x = 155,707,746,471.36
  5. Step 5: Solve for x
    x = 155,707,746,471.36/578,530.40
  6. Step 6: Final answer
    x = 269,143.59

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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.