Home / 985,583.88-1,478,387.66-386,827.02

Finding the Fourth Proportional to 985,583.88, 1,478,387.66 and 386,827.02

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Solution

The fourth proportional to 985,583.88, 1,478,387.66 and 386,827.02 is: 580,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,583.88 : 1,478,387.66 = 386,827.02 : x
  2. Step 2: Convert to fraction form
    985,583.88/1,478,387.66 = 386,827.02/x
  3. Step 3: Cross multiply
    985,583.88x = 1,478,387.66 × 386,827.02
  4. Step 4: Simplify right side
    985,583.88x = 571,880,290,988.44
  5. Step 5: Solve for x
    x = 571,880,290,988.44/985,583.88
  6. Step 6: Final answer
    x = 580,245.18

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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.