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Finding the Fourth Proportional to 580,304.05, 870,404.47 and 201,216.30

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Solution

The fourth proportional to 580,304.05, 870,404.47 and 201,216.30 is: 301,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,304.05 : 870,404.47 = 201,216.30 : x
  2. Step 2: Convert to fraction form
    580,304.05/870,404.47 = 201,216.30/x
  3. Step 3: Cross multiply
    580,304.05x = 870,404.47 × 201,216.30
  4. Step 4: Simplify right side
    580,304.05x = 175,139,568,934.71
  5. Step 5: Solve for x
    x = 175,139,568,934.71/580,304.05
  6. Step 6: Final answer
    x = 301,806.56

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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.