Home / 497,718.48-686,831.72-293,835.08

Finding the Fourth Proportional to 497,718.48, 686,831.72 and 293,835.08

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Solution

The fourth proportional to 497,718.48, 686,831.72 and 293,835.08 is: 405,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,718.48 : 686,831.72 = 293,835.08 : x
  2. Step 2: Convert to fraction form
    497,718.48/686,831.72 = 293,835.08/x
  3. Step 3: Cross multiply
    497,718.48x = 686,831.72 × 293,835.08
  4. Step 4: Simplify right side
    497,718.48x = 201,815,253,392.74
  5. Step 5: Solve for x
    x = 201,815,253,392.74/497,718.48
  6. Step 6: Final answer
    x = 405,480.73

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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.