Home / 869,081.40-1,303,622.10-587,071.80

Finding the Fourth Proportional to 869,081.40, 1,303,622.10 and 587,071.80

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Solution

The fourth proportional to 869,081.40, 1,303,622.10 and 587,071.80 is: 880,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,081.40 : 1,303,622.10 = 587,071.80 : x
  2. Step 2: Convert to fraction form
    869,081.40/1,303,622.10 = 587,071.80/x
  3. Step 3: Cross multiply
    869,081.40x = 1,303,622.10 × 587,071.80
  4. Step 4: Simplify right side
    869,081.40x = 765,319,772,766.78
  5. Step 5: Solve for x
    x = 765,319,772,766.78/869,081.40
  6. Step 6: Final answer
    x = 880,607.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.