Home / 980,457.59-1,470,687.54-306,542.43

Finding the Fourth Proportional to 980,457.59, 1,470,687.54 and 306,542.43

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Solution

The fourth proportional to 980,457.59, 1,470,687.54 and 306,542.43 is: 459,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,457.59 : 1,470,687.54 = 306,542.43 : x
  2. Step 2: Convert to fraction form
    980,457.59/1,470,687.54 = 306,542.43/x
  3. Step 3: Cross multiply
    980,457.59x = 1,470,687.54 × 306,542.43
  4. Step 4: Simplify right side
    980,457.59x = 450,828,132,282.32
  5. Step 5: Solve for x
    x = 450,828,132,282.32/980,457.59
  6. Step 6: Final answer
    x = 459,814.01

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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.