Home / 852,839.49-1,176,918.19-490,334.25

Finding the Fourth Proportional to 852,839.49, 1,176,918.19 and 490,334.25

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Solution

The fourth proportional to 852,839.49, 1,176,918.19 and 490,334.25 is: 676,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,839.49 : 1,176,918.19 = 490,334.25 : x
  2. Step 2: Convert to fraction form
    852,839.49/1,176,918.19 = 490,334.25/x
  3. Step 3: Cross multiply
    852,839.49x = 1,176,918.19 × 490,334.25
  4. Step 4: Simplify right side
    852,839.49x = 577,083,298,005.01
  5. Step 5: Solve for x
    x = 577,083,298,005.01/852,839.49
  6. Step 6: Final answer
    x = 676,661.09

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Double scale
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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.