Home / 831,908.70-1,248,064.65-240,932.70

Finding the Fourth Proportional to 831,908.70, 1,248,064.65 and 240,932.70

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Solution

The fourth proportional to 831,908.70, 1,248,064.65 and 240,932.70 is: 361,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,908.70 : 1,248,064.65 = 240,932.70 : x
  2. Step 2: Convert to fraction form
    831,908.70/1,248,064.65 = 240,932.70/x
  3. Step 3: Cross multiply
    831,908.70x = 1,248,064.65 × 240,932.70
  4. Step 4: Simplify right side
    831,908.70x = 300,699,585,899.06
  5. Step 5: Solve for x
    x = 300,699,585,899.06/831,908.70
  6. Step 6: Final answer
    x = 361,457.44

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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.