Home / 462,007.20-693,010.80-434,013.60

Finding the Fourth Proportional to 462,007.20, 693,010.80 and 434,013.60

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Solution

The fourth proportional to 462,007.20, 693,010.80 and 434,013.60 is: 651,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,007.20 : 693,010.80 = 434,013.60 : x
  2. Step 2: Convert to fraction form
    462,007.20/693,010.80 = 434,013.60/x
  3. Step 3: Cross multiply
    462,007.20x = 693,010.80 × 434,013.60
  4. Step 4: Simplify right side
    462,007.20x = 300,776,112,146.88
  5. Step 5: Solve for x
    x = 300,776,112,146.88/462,007.20
  6. Step 6: Final answer
    x = 651,020.40

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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.