Home / 721,913.32-1,083,116.04-216,486.64

Finding the Fourth Proportional to 721,913.32, 1,083,116.04 and 216,486.64

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Solution

The fourth proportional to 721,913.32, 1,083,116.04 and 216,486.64 is: 324,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,913.32 : 1,083,116.04 = 216,486.64 : x
  2. Step 2: Convert to fraction form
    721,913.32/1,083,116.04 = 216,486.64/x
  3. Step 3: Cross multiply
    721,913.32x = 1,083,116.04 × 216,486.64
  4. Step 4: Simplify right side
    721,913.32x = 234,480,152,229.71
  5. Step 5: Solve for x
    x = 234,480,152,229.71/721,913.32
  6. Step 6: Final answer
    x = 324,803.75

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1.5x scale

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.