Home / 694,883.02-1,040,967.05-478,703.61

Finding the Fourth Proportional to 694,883.02, 1,040,967.05 and 478,703.61

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Solution

The fourth proportional to 694,883.02, 1,040,967.05 and 478,703.61 is: 717,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,883.02 : 1,040,967.05 = 478,703.61 : x
  2. Step 2: Convert to fraction form
    694,883.02/1,040,967.05 = 478,703.61/x
  3. Step 3: Cross multiply
    694,883.02x = 1,040,967.05 × 478,703.61
  4. Step 4: Simplify right side
    694,883.02x = 498,314,682,332.53
  5. Step 5: Solve for x
    x = 498,314,682,332.53/694,883.02
  6. Step 6: Final answer
    x = 717,120.25

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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.