Home / 830,676.85-1,246,015.28-471,954.18

Finding the Fourth Proportional to 830,676.85, 1,246,015.28 and 471,954.18

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Solution

The fourth proportional to 830,676.85, 1,246,015.28 and 471,954.18 is: 707,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,676.85 : 1,246,015.28 = 471,954.18 : x
  2. Step 2: Convert to fraction form
    830,676.85/1,246,015.28 = 471,954.18/x
  3. Step 3: Cross multiply
    830,676.85x = 1,246,015.28 × 471,954.18
  4. Step 4: Simplify right side
    830,676.85x = 588,062,111,150.02
  5. Step 5: Solve for x
    x = 588,062,111,150.02/830,676.85
  6. Step 6: Final answer
    x = 707,931.26

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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.