Home / 887,169.81-1,331,136.08-288,314.54

Finding the Fourth Proportional to 887,169.81, 1,331,136.08 and 288,314.54

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Solution

The fourth proportional to 887,169.81, 1,331,136.08 and 288,314.54 is: 432,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,169.81 : 1,331,136.08 = 288,314.54 : x
  2. Step 2: Convert to fraction form
    887,169.81/1,331,136.08 = 288,314.54/x
  3. Step 3: Cross multiply
    887,169.81x = 1,331,136.08 × 288,314.54
  4. Step 4: Simplify right side
    887,169.81x = 383,785,884,558.29
  5. Step 5: Solve for x
    x = 383,785,884,558.29/887,169.81
  6. Step 6: Final answer
    x = 432,595.74

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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.