Home / 649,870.76-974,430.92-200,470.96

Finding the Fourth Proportional to 649,870.76, 974,430.92 and 200,470.96

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Solution

The fourth proportional to 649,870.76, 974,430.92 and 200,470.96 is: 300,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,870.76 : 974,430.92 = 200,470.96 : x
  2. Step 2: Convert to fraction form
    649,870.76/974,430.92 = 200,470.96/x
  3. Step 3: Cross multiply
    649,870.76x = 974,430.92 × 200,470.96
  4. Step 4: Simplify right side
    649,870.76x = 195,345,098,547.65
  5. Step 5: Solve for x
    x = 195,345,098,547.65/649,870.76
  6. Step 6: Final answer
    x = 300,590.69

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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.