Home / 785,451.32-1,178,153.44-216,867.18

Finding the Fourth Proportional to 785,451.32, 1,178,153.44 and 216,867.18

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Solution

The fourth proportional to 785,451.32, 1,178,153.44 and 216,867.18 is: 325,294.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,451.32 : 1,178,153.44 = 216,867.18 : x
  2. Step 2: Convert to fraction form
    785,451.32/1,178,153.44 = 216,867.18/x
  3. Step 3: Cross multiply
    785,451.32x = 1,178,153.44 × 216,867.18
  4. Step 4: Simplify right side
    785,451.32x = 255,502,814,140.10
  5. Step 5: Solve for x
    x = 255,502,814,140.10/785,451.32
  6. Step 6: Final answer
    x = 325,294.27

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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.