Home / 758,644.33-1,137,812.02-278,707.18

Finding the Fourth Proportional to 758,644.33, 1,137,812.02 and 278,707.18

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Solution

The fourth proportional to 758,644.33, 1,137,812.02 and 278,707.18 is: 418,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,644.33 : 1,137,812.02 = 278,707.18 : x
  2. Step 2: Convert to fraction form
    758,644.33/1,137,812.02 = 278,707.18/x
  3. Step 3: Cross multiply
    758,644.33x = 1,137,812.02 × 278,707.18
  4. Step 4: Simplify right side
    758,644.33x = 317,116,373,775.24
  5. Step 5: Solve for x
    x = 317,116,373,775.24/758,644.33
  6. Step 6: Final answer
    x = 418,004.01

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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.