Home / 648,431.13-894,831.52-376,565.87

Finding the Fourth Proportional to 648,431.13, 894,831.52 and 376,565.87

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Solution

The fourth proportional to 648,431.13, 894,831.52 and 376,565.87 is: 519,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,431.13 : 894,831.52 = 376,565.87 : x
  2. Step 2: Convert to fraction form
    648,431.13/894,831.52 = 376,565.87/x
  3. Step 3: Cross multiply
    648,431.13x = 894,831.52 × 376,565.87
  4. Step 4: Simplify right side
    648,431.13x = 336,963,009,832.22
  5. Step 5: Solve for x
    x = 336,963,009,832.22/648,431.13
  6. Step 6: Final answer
    x = 519,658.90

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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.