Home / 711,982.13-1,068,148.16-213,346.13

Finding the Fourth Proportional to 711,982.13, 1,068,148.16 and 213,346.13

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Solution

The fourth proportional to 711,982.13, 1,068,148.16 and 213,346.13 is: 320,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,982.13 : 1,068,148.16 = 213,346.13 : x
  2. Step 2: Convert to fraction form
    711,982.13/1,068,148.16 = 213,346.13/x
  3. Step 3: Cross multiply
    711,982.13x = 1,068,148.16 × 213,346.13
  4. Step 4: Simplify right side
    711,982.13x = 227,885,269,795.15
  5. Step 5: Solve for x
    x = 227,885,269,795.15/711,982.13
  6. Step 6: Final answer
    x = 320,071.62

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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.