Home / 743,035.98-1,025,380.62-403,506.66

Finding the Fourth Proportional to 743,035.98, 1,025,380.62 and 403,506.66

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Solution

The fourth proportional to 743,035.98, 1,025,380.62 and 403,506.66 is: 556,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,035.98 : 1,025,380.62 = 403,506.66 : x
  2. Step 2: Convert to fraction form
    743,035.98/1,025,380.62 = 403,506.66/x
  3. Step 3: Cross multiply
    743,035.98x = 1,025,380.62 × 403,506.66
  4. Step 4: Simplify right side
    743,035.98x = 413,747,909,204.93
  5. Step 5: Solve for x
    x = 413,747,909,204.93/743,035.98
  6. Step 6: Final answer
    x = 556,834.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.