Home / 431,085.60-646,306.02-297,584.64

Finding the Fourth Proportional to 431,085.60, 646,306.02 and 297,584.64

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Solution

The fourth proportional to 431,085.60, 646,306.02 and 297,584.64 is: 446,154.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,085.60 : 646,306.02 = 297,584.64 : x
  2. Step 2: Convert to fraction form
    431,085.60/646,306.02 = 297,584.64/x
  3. Step 3: Cross multiply
    431,085.60x = 646,306.02 × 297,584.64
  4. Step 4: Simplify right side
    431,085.60x = 192,330,744,291.53
  5. Step 5: Solve for x
    x = 192,330,744,291.53/431,085.60
  6. Step 6: Final answer
    x = 446,154.42

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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.