Home / 980,456.59-1,470,686.04-306,541.43

Finding the Fourth Proportional to 980,456.59, 1,470,686.04 and 306,541.43

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Solution

The fourth proportional to 980,456.59, 1,470,686.04 and 306,541.43 is: 459,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,456.59 : 1,470,686.04 = 306,541.43 : x
  2. Step 2: Convert to fraction form
    980,456.59/1,470,686.04 = 306,541.43/x
  3. Step 3: Cross multiply
    980,456.59x = 1,470,686.04 × 306,541.43
  4. Step 4: Simplify right side
    980,456.59x = 450,826,201,782.64
  5. Step 5: Solve for x
    x = 450,826,201,782.64/980,456.59
  6. Step 6: Final answer
    x = 459,812.51

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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.