Home / 847,386.57-1,169,108.96-479,813.48

Finding the Fourth Proportional to 847,386.57, 1,169,108.96 and 479,813.48

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Solution

The fourth proportional to 847,386.57, 1,169,108.96 and 479,813.48 is: 661,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,386.57 : 1,169,108.96 = 479,813.48 : x
  2. Step 2: Convert to fraction form
    847,386.57/1,169,108.96 = 479,813.48/x
  3. Step 3: Cross multiply
    847,386.57x = 1,169,108.96 × 479,813.48
  4. Step 4: Simplify right side
    847,386.57x = 560,954,244,011.52
  5. Step 5: Solve for x
    x = 560,954,244,011.52/847,386.57
  6. Step 6: Final answer
    x = 661,981.51

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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.