Home / 437,986.80-656,980.20-435,034.35

Finding the Fourth Proportional to 437,986.80, 656,980.20 and 435,034.35

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Solution

The fourth proportional to 437,986.80, 656,980.20 and 435,034.35 is: 652,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,986.80 : 656,980.20 = 435,034.35 : x
  2. Step 2: Convert to fraction form
    437,986.80/656,980.20 = 435,034.35/x
  3. Step 3: Cross multiply
    437,986.80x = 656,980.20 × 435,034.35
  4. Step 4: Simplify right side
    437,986.80x = 285,808,954,269.87
  5. Step 5: Solve for x
    x = 285,808,954,269.87/437,986.80
  6. Step 6: Final answer
    x = 652,551.53

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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.