Home / 847,880.07-1,170,061.20-465,898.65

Finding the Fourth Proportional to 847,880.07, 1,170,061.20 and 465,898.65

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Solution

The fourth proportional to 847,880.07, 1,170,061.20 and 465,898.65 is: 642,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,880.07 : 1,170,061.20 = 465,898.65 : x
  2. Step 2: Convert to fraction form
    847,880.07/1,170,061.20 = 465,898.65/x
  3. Step 3: Cross multiply
    847,880.07x = 1,170,061.20 × 465,898.65
  4. Step 4: Simplify right side
    847,880.07x = 545,129,933,497.38
  5. Step 5: Solve for x
    x = 545,129,933,497.38/847,880.07
  6. Step 6: Final answer
    x = 642,932.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.