Home / 768,288.89-1,060,210.87-424,117.43

Finding the Fourth Proportional to 768,288.89, 1,060,210.87 and 424,117.43

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Solution

The fourth proportional to 768,288.89, 1,060,210.87 and 424,117.43 is: 585,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,288.89 : 1,060,210.87 = 424,117.43 : x
  2. Step 2: Convert to fraction form
    768,288.89/1,060,210.87 = 424,117.43/x
  3. Step 3: Cross multiply
    768,288.89x = 1,060,210.87 × 424,117.43
  4. Step 4: Simplify right side
    768,288.89x = 449,653,909,442.46
  5. Step 5: Solve for x
    x = 449,653,909,442.46/768,288.89
  6. Step 6: Final answer
    x = 585,266.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.