Home / 758,130.04-1,045,780.87-489,858.04

Finding the Fourth Proportional to 758,130.04, 1,045,780.87 and 489,858.04

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Solution

The fourth proportional to 758,130.04, 1,045,780.87 and 489,858.04 is: 675,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,130.04 : 1,045,780.87 = 489,858.04 : x
  2. Step 2: Convert to fraction form
    758,130.04/1,045,780.87 = 489,858.04/x
  3. Step 3: Cross multiply
    758,130.04x = 1,045,780.87 × 489,858.04
  4. Step 4: Simplify right side
    758,130.04x = 512,284,167,247.70
  5. Step 5: Solve for x
    x = 512,284,167,247.70/758,130.04
  6. Step 6: Final answer
    x = 675,720.71

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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.