Home / 831,595.97-1,247,547.81-263,120.16

Finding the Fourth Proportional to 831,595.97, 1,247,547.81 and 263,120.16

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Solution

The fourth proportional to 831,595.97, 1,247,547.81 and 263,120.16 is: 394,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,595.97 : 1,247,547.81 = 263,120.16 : x
  2. Step 2: Convert to fraction form
    831,595.97/1,247,547.81 = 263,120.16/x
  3. Step 3: Cross multiply
    831,595.97x = 1,247,547.81 × 263,120.16
  4. Step 4: Simplify right side
    831,595.97x = 328,254,983,559.80
  5. Step 5: Solve for x
    x = 328,254,983,559.80/831,595.97
  6. Step 6: Final answer
    x = 394,728.93

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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.