Home / 727,465.23-1,003,724.97-479,081.53

Finding the Fourth Proportional to 727,465.23, 1,003,724.97 and 479,081.53

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Solution

The fourth proportional to 727,465.23, 1,003,724.97 and 479,081.53 is: 661,015.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,465.23 : 1,003,724.97 = 479,081.53 : x
  2. Step 2: Convert to fraction form
    727,465.23/1,003,724.97 = 479,081.53/x
  3. Step 3: Cross multiply
    727,465.23x = 1,003,724.97 × 479,081.53
  4. Step 4: Simplify right side
    727,465.23x = 480,866,095,280.84
  5. Step 5: Solve for x
    x = 480,866,095,280.84/727,465.23
  6. Step 6: Final answer
    x = 661,015.92

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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.