Home / 781,074.90-1,171,612.35-282,322.26

Finding the Fourth Proportional to 781,074.90, 1,171,612.35 and 282,322.26

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Solution

The fourth proportional to 781,074.90, 1,171,612.35 and 282,322.26 is: 423,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,074.90 : 1,171,612.35 = 282,322.26 : x
  2. Step 2: Convert to fraction form
    781,074.90/1,171,612.35 = 282,322.26/x
  3. Step 3: Cross multiply
    781,074.90x = 1,171,612.35 × 282,322.26
  4. Step 4: Simplify right side
    781,074.90x = 330,772,246,495.91
  5. Step 5: Solve for x
    x = 330,772,246,495.91/781,074.90
  6. Step 6: Final answer
    x = 423,483.39

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Double scale
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Similar ratio
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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.