Home / 768,291.76-1,060,259.61-424,126.89

Finding the Fourth Proportional to 768,291.76, 1,060,259.61 and 424,126.89

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Solution

The fourth proportional to 768,291.76, 1,060,259.61 and 424,126.89 is: 585,304.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,291.76 : 1,060,259.61 = 424,126.89 : x
  2. Step 2: Convert to fraction form
    768,291.76/1,060,259.61 = 424,126.89/x
  3. Step 3: Cross multiply
    768,291.76x = 1,060,259.61 × 424,126.89
  4. Step 4: Simplify right side
    768,291.76x = 449,684,610,981.91
  5. Step 5: Solve for x
    x = 449,684,610,981.91/768,291.76
  6. Step 6: Final answer
    x = 585,304.48

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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.