Home / 980,456.35-1,470,685.67-306,541.18

Finding the Fourth Proportional to 980,456.35, 1,470,685.67 and 306,541.18

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Solution

The fourth proportional to 980,456.35, 1,470,685.67 and 306,541.18 is: 459,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,456.35 : 1,470,685.67 = 306,541.18 : x
  2. Step 2: Convert to fraction form
    980,456.35/1,470,685.67 = 306,541.18/x
  3. Step 3: Cross multiply
    980,456.35x = 1,470,685.67 × 306,541.18
  4. Step 4: Simplify right side
    980,456.35x = 450,825,720,690.89
  5. Step 5: Solve for x
    x = 450,825,720,690.89/980,456.35
  6. Step 6: Final answer
    x = 459,812.13

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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.