Home / 745,881.94-1,118,990.04-272,555.20

Finding the Fourth Proportional to 745,881.94, 1,118,990.04 and 272,555.20

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Solution

The fourth proportional to 745,881.94, 1,118,990.04 and 272,555.20 is: 408,893.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,881.94 : 1,118,990.04 = 272,555.20 : x
  2. Step 2: Convert to fraction form
    745,881.94/1,118,990.04 = 272,555.20/x
  3. Step 3: Cross multiply
    745,881.94x = 1,118,990.04 × 272,555.20
  4. Step 4: Simplify right side
    745,881.94x = 304,986,554,150.21
  5. Step 5: Solve for x
    x = 304,986,554,150.21/745,881.94
  6. Step 6: Final answer
    x = 408,893.87

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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.