Home / 526,808.24-726,997.14-285,090.74

Finding the Fourth Proportional to 526,808.24, 726,997.14 and 285,090.74

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Solution

The fourth proportional to 526,808.24, 726,997.14 and 285,090.74 is: 393,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,808.24 : 726,997.14 = 285,090.74 : x
  2. Step 2: Convert to fraction form
    526,808.24/726,997.14 = 285,090.74/x
  3. Step 3: Cross multiply
    526,808.24x = 726,997.14 × 285,090.74
  4. Step 4: Simplify right side
    526,808.24x = 207,260,148,985.50
  5. Step 5: Solve for x
    x = 207,260,148,985.50/526,808.24
  6. Step 6: Final answer
    x = 393,426.18

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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.