Home / 497,084.10-686,003.76-293,254.62

Finding the Fourth Proportional to 497,084.10, 686,003.76 and 293,254.62

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Solution

The fourth proportional to 497,084.10, 686,003.76 and 293,254.62 is: 404,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,084.10 : 686,003.76 = 293,254.62 : x
  2. Step 2: Convert to fraction form
    497,084.10/686,003.76 = 293,254.62/x
  3. Step 3: Cross multiply
    497,084.10x = 686,003.76 × 293,254.62
  4. Step 4: Simplify right side
    497,084.10x = 201,173,771,957.37
  5. Step 5: Solve for x
    x = 201,173,771,957.37/497,084.10
  6. Step 6: Final answer
    x = 404,707.72

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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.