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Finding the Fourth Proportional to 585,920.60, 878,880.90 and 270,284.12

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Solution

The fourth proportional to 585,920.60, 878,880.90 and 270,284.12 is: 405,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,920.60 : 878,880.90 = 270,284.12 : x
  2. Step 2: Convert to fraction form
    585,920.60/878,880.90 = 270,284.12/x
  3. Step 3: Cross multiply
    585,920.60x = 878,880.90 × 270,284.12
  4. Step 4: Simplify right side
    585,920.60x = 237,547,550,641.31
  5. Step 5: Solve for x
    x = 237,547,550,641.31/585,920.60
  6. Step 6: Final answer
    x = 405,426.18

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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.