Home / 658,445.49-986,905.82-302,712.93

Finding the Fourth Proportional to 658,445.49, 986,905.82 and 302,712.93

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Solution

The fourth proportional to 658,445.49, 986,905.82 and 302,712.93 is: 453,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,445.49 : 986,905.82 = 302,712.93 : x
  2. Step 2: Convert to fraction form
    658,445.49/986,905.82 = 302,712.93/x
  3. Step 3: Cross multiply
    658,445.49x = 986,905.82 × 302,712.93
  4. Step 4: Simplify right side
    658,445.49x = 298,749,145,958.16
  5. Step 5: Solve for x
    x = 298,749,145,958.16/658,445.49
  6. Step 6: Final answer
    x = 453,718.88

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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.