Home / 711,287.96-1,067,492.84-312,204.20

Finding the Fourth Proportional to 711,287.96, 1,067,492.84 and 312,204.20

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Solution

The fourth proportional to 711,287.96, 1,067,492.84 and 312,204.20 is: 468,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,287.96 : 1,067,492.84 = 312,204.20 : x
  2. Step 2: Convert to fraction form
    711,287.96/1,067,492.84 = 312,204.20/x
  3. Step 3: Cross multiply
    711,287.96x = 1,067,492.84 × 312,204.20
  4. Step 4: Simplify right side
    711,287.96x = 333,275,748,117.93
  5. Step 5: Solve for x
    x = 333,275,748,117.93/711,287.96
  6. Step 6: Final answer
    x = 468,552.49

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Double scale
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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.