Home / 852,017.70-1,175,841.48-489,558.90

Finding the Fourth Proportional to 852,017.70, 1,175,841.48 and 489,558.90

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Solution

The fourth proportional to 852,017.70, 1,175,841.48 and 489,558.90 is: 675,624.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,017.70 : 1,175,841.48 = 489,558.90 : x
  2. Step 2: Convert to fraction form
    852,017.70/1,175,841.48 = 489,558.90/x
  3. Step 3: Cross multiply
    852,017.70x = 1,175,841.48 × 489,558.90
  4. Step 4: Simplify right side
    852,017.70x = 575,643,661,523.17
  5. Step 5: Solve for x
    x = 575,643,661,523.17/852,017.70
  6. Step 6: Final answer
    x = 675,624.06

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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.