Home / 497,280.97-686,330.04-293,381.74

Finding the Fourth Proportional to 497,280.97, 686,330.04 and 293,381.74

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Solution

The fourth proportional to 497,280.97, 686,330.04 and 293,381.74 is: 404,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,280.97 : 686,330.04 = 293,381.74 : x
  2. Step 2: Convert to fraction form
    497,280.97/686,330.04 = 293,381.74/x
  3. Step 3: Cross multiply
    497,280.97x = 686,330.04 × 293,381.74
  4. Step 4: Simplify right side
    497,280.97x = 201,356,701,349.47
  5. Step 5: Solve for x
    x = 201,356,701,349.47/497,280.97
  6. Step 6: Final answer
    x = 404,915.36

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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.