Home / 849,660.99-1,274,117.56-450,209.69

Finding the Fourth Proportional to 849,660.99, 1,274,117.56 and 450,209.69

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Solution

The fourth proportional to 849,660.99, 1,274,117.56 and 450,209.69 is: 675,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,660.99 : 1,274,117.56 = 450,209.69 : x
  2. Step 2: Convert to fraction form
    849,660.99/1,274,117.56 = 450,209.69/x
  3. Step 3: Cross multiply
    849,660.99x = 1,274,117.56 × 450,209.69
  4. Step 4: Simplify right side
    849,660.99x = 573,620,068,992.99
  5. Step 5: Solve for x
    x = 573,620,068,992.99/849,660.99
  6. Step 6: Final answer
    x = 675,116.40

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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.