Home / 856,818.03-1,182,401.53-469,654.95

Finding the Fourth Proportional to 856,818.03, 1,182,401.53 and 469,654.95

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Solution

The fourth proportional to 856,818.03, 1,182,401.53 and 469,654.95 is: 648,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,818.03 : 1,182,401.53 = 469,654.95 : x
  2. Step 2: Convert to fraction form
    856,818.03/1,182,401.53 = 469,654.95/x
  3. Step 3: Cross multiply
    856,818.03x = 1,182,401.53 × 469,654.95
  4. Step 4: Simplify right side
    856,818.03x = 555,320,731,452.07
  5. Step 5: Solve for x
    x = 555,320,731,452.07/856,818.03
  6. Step 6: Final answer
    x = 648,119.80

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1.5x scale

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.