Home / 831,110.40-1,246,730.40-357,811.20

Finding the Fourth Proportional to 831,110.40, 1,246,730.40 and 357,811.20

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Solution

The fourth proportional to 831,110.40, 1,246,730.40 and 357,811.20 is: 536,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,110.40 : 1,246,730.40 = 357,811.20 : x
  2. Step 2: Convert to fraction form
    831,110.40/1,246,730.40 = 357,811.20/x
  3. Step 3: Cross multiply
    831,110.40x = 1,246,730.40 × 357,811.20
  4. Step 4: Simplify right side
    831,110.40x = 446,094,100,500.48
  5. Step 5: Solve for x
    x = 446,094,100,500.48/831,110.40
  6. Step 6: Final answer
    x = 536,744.70

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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.