Home / 849,660.80-1,274,117.28-450,209.51

Finding the Fourth Proportional to 849,660.80, 1,274,117.28 and 450,209.51

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Solution

The fourth proportional to 849,660.80, 1,274,117.28 and 450,209.51 is: 675,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,660.80 : 1,274,117.28 = 450,209.51 : x
  2. Step 2: Convert to fraction form
    849,660.80/1,274,117.28 = 450,209.51/x
  3. Step 3: Cross multiply
    849,660.80x = 1,274,117.28 × 450,209.51
  4. Step 4: Simplify right side
    849,660.80x = 573,619,709,940.75
  5. Step 5: Solve for x
    x = 573,619,709,940.75/849,660.80
  6. Step 6: Final answer
    x = 675,116.13

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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.