Home / 878,597.43-1,316,391.63-479,518.23

Finding the Fourth Proportional to 878,597.43, 1,316,391.63 and 479,518.23

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Solution

The fourth proportional to 878,597.43, 1,316,391.63 and 479,518.23 is: 718,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,597.43 : 1,316,391.63 = 479,518.23 : x
  2. Step 2: Convert to fraction form
    878,597.43/1,316,391.63 = 479,518.23/x
  3. Step 3: Cross multiply
    878,597.43x = 1,316,391.63 × 479,518.23
  4. Step 4: Simplify right side
    878,597.43x = 631,233,784,404.42
  5. Step 5: Solve for x
    x = 631,233,784,404.42/878,597.43
  6. Step 6: Final answer
    x = 718,456.22

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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.