Home / 875,666.73-1,208,373.18-493,668.90

Finding the Fourth Proportional to 875,666.73, 1,208,373.18 and 493,668.90

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Solution

The fourth proportional to 875,666.73, 1,208,373.18 and 493,668.90 is: 681,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,666.73 : 1,208,373.18 = 493,668.90 : x
  2. Step 2: Convert to fraction form
    875,666.73/1,208,373.18 = 493,668.90/x
  3. Step 3: Cross multiply
    875,666.73x = 1,208,373.18 × 493,668.90
  4. Step 4: Simplify right side
    875,666.73x = 596,536,258,560.10
  5. Step 5: Solve for x
    x = 596,536,258,560.10/875,666.73
  6. Step 6: Final answer
    x = 681,236.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.