Home / 723,643.89-1,084,699.77-243,414.54

Finding the Fourth Proportional to 723,643.89, 1,084,699.77 and 243,414.54

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Solution

The fourth proportional to 723,643.89, 1,084,699.77 and 243,414.54 is: 364,864.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,643.89 : 1,084,699.77 = 243,414.54 : x
  2. Step 2: Convert to fraction form
    723,643.89/1,084,699.77 = 243,414.54/x
  3. Step 3: Cross multiply
    723,643.89x = 1,084,699.77 × 243,414.54
  4. Step 4: Simplify right side
    723,643.89x = 264,031,695,552.66
  5. Step 5: Solve for x
    x = 264,031,695,552.66/723,643.89
  6. Step 6: Final answer
    x = 364,864.13

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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.