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Finding the Fourth Proportional to 437,999.55, 656,999.33 and 435,047.10

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Solution

The fourth proportional to 437,999.55, 656,999.33 and 435,047.10 is: 652,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,999.55 : 656,999.33 = 435,047.10 : x
  2. Step 2: Convert to fraction form
    437,999.55/656,999.33 = 435,047.10/x
  3. Step 3: Cross multiply
    437,999.55x = 656,999.33 × 435,047.10
  4. Step 4: Simplify right side
    437,999.55x = 285,825,651,043.21
  5. Step 5: Solve for x
    x = 285,825,651,043.21/437,999.55
  6. Step 6: Final answer
    x = 652,570.65

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Similar ratio
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1.5x scale

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.