Home / 847,107.77-1,169,008.73-465,134.55

Finding the Fourth Proportional to 847,107.77, 1,169,008.73 and 465,134.55

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Solution

The fourth proportional to 847,107.77, 1,169,008.73 and 465,134.55 is: 641,885.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,107.77 : 1,169,008.73 = 465,134.55 : x
  2. Step 2: Convert to fraction form
    847,107.77/1,169,008.73 = 465,134.55/x
  3. Step 3: Cross multiply
    847,107.77x = 1,169,008.73 × 465,134.55
  4. Step 4: Simplify right side
    847,107.77x = 543,746,351,334.31
  5. Step 5: Solve for x
    x = 543,746,351,334.31/847,107.77
  6. Step 6: Final answer
    x = 641,885.69

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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.