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Finding the Fourth Proportional to 580,576.80, 870,920.16 and 225,618.19

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Solution

The fourth proportional to 580,576.80, 870,920.16 and 225,618.19 is: 338,448.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,576.80 : 870,920.16 = 225,618.19 : x
  2. Step 2: Convert to fraction form
    580,576.80/870,920.16 = 225,618.19/x
  3. Step 3: Cross multiply
    580,576.80x = 870,920.16 × 225,618.19
  4. Step 4: Simplify right side
    580,576.80x = 196,495,430,133.71
  5. Step 5: Solve for x
    x = 196,495,430,133.71/580,576.80
  6. Step 6: Final answer
    x = 338,448.64

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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.