Home / 831,112.40-1,246,733.40-357,813.20

Finding the Fourth Proportional to 831,112.40, 1,246,733.40 and 357,813.20

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Solution

The fourth proportional to 831,112.40, 1,246,733.40 and 357,813.20 is: 536,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,112.40 : 1,246,733.40 = 357,813.20 : x
  2. Step 2: Convert to fraction form
    831,112.40/1,246,733.40 = 357,813.20/x
  3. Step 3: Cross multiply
    831,112.40x = 1,246,733.40 × 357,813.20
  4. Step 4: Simplify right side
    831,112.40x = 446,097,667,400.88
  5. Step 5: Solve for x
    x = 446,097,667,400.88/831,112.40
  6. Step 6: Final answer
    x = 536,747.70

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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.