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Finding the Fourth Proportional to 436,059.80, 654,089.70 and 310,088.60

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Solution

The fourth proportional to 436,059.80, 654,089.70 and 310,088.60 is: 465,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,059.80 : 654,089.70 = 310,088.60 : x
  2. Step 2: Convert to fraction form
    436,059.80/654,089.70 = 310,088.60/x
  3. Step 3: Cross multiply
    436,059.80x = 654,089.70 × 310,088.60
  4. Step 4: Simplify right side
    436,059.80x = 202,825,759,347.42
  5. Step 5: Solve for x
    x = 202,825,759,347.42/436,059.80
  6. Step 6: Final answer
    x = 465,132.90

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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.