Home / 849,661.05-1,274,117.65-450,209.76

Finding the Fourth Proportional to 849,661.05, 1,274,117.65 and 450,209.76

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Solution

The fourth proportional to 849,661.05, 1,274,117.65 and 450,209.76 is: 675,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,661.05 : 1,274,117.65 = 450,209.76 : x
  2. Step 2: Convert to fraction form
    849,661.05/1,274,117.65 = 450,209.76/x
  3. Step 3: Cross multiply
    849,661.05x = 1,274,117.65 × 450,209.76
  4. Step 4: Simplify right side
    849,661.05x = 573,620,201,418.26
  5. Step 5: Solve for x
    x = 573,620,201,418.26/849,661.05
  6. Step 6: Final answer
    x = 675,116.51

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Double scale
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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.