Home / 851,693.55-1,175,363.36-489,190.13

Finding the Fourth Proportional to 851,693.55, 1,175,363.36 and 489,190.13

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Solution

The fourth proportional to 851,693.55, 1,175,363.36 and 489,190.13 is: 675,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,693.55 : 1,175,363.36 = 489,190.13 : x
  2. Step 2: Convert to fraction form
    851,693.55/1,175,363.36 = 489,190.13/x
  3. Step 3: Cross multiply
    851,693.55x = 1,175,363.36 × 489,190.13
  4. Step 4: Simplify right side
    851,693.55x = 574,976,146,552.87
  5. Step 5: Solve for x
    x = 574,976,146,552.87/851,693.55
  6. Step 6: Final answer
    x = 675,097.45

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1.5x scale

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.