Home / 649,470.40-974,205.60-492,006.40

Finding the Fourth Proportional to 649,470.40, 974,205.60 and 492,006.40

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Solution

The fourth proportional to 649,470.40, 974,205.60 and 492,006.40 is: 738,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,470.40 : 974,205.60 = 492,006.40 : x
  2. Step 2: Convert to fraction form
    649,470.40/974,205.60 = 492,006.40/x
  3. Step 3: Cross multiply
    649,470.40x = 974,205.60 × 492,006.40
  4. Step 4: Simplify right side
    649,470.40x = 479,315,390,115.84
  5. Step 5: Solve for x
    x = 479,315,390,115.84/649,470.40
  6. Step 6: Final answer
    x = 738,009.60

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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.