Home / 785,569.56-1,178,352.77-216,949.20

Finding the Fourth Proportional to 785,569.56, 1,178,352.77 and 216,949.20

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Solution

The fourth proportional to 785,569.56, 1,178,352.77 and 216,949.20 is: 325,423.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,569.56 : 1,178,352.77 = 216,949.20 : x
  2. Step 2: Convert to fraction form
    785,569.56/1,178,352.77 = 216,949.20/x
  3. Step 3: Cross multiply
    785,569.56x = 1,178,352.77 × 216,949.20
  4. Step 4: Simplify right side
    785,569.56x = 255,642,689,684.54
  5. Step 5: Solve for x
    x = 255,642,689,684.54/785,569.56
  6. Step 6: Final answer
    x = 325,423.37

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Double scale
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Similar ratio
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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.