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Finding the Fourth Proportional to 542,068.93, 813,848.19 and 276,008.23

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Solution

The fourth proportional to 542,068.93, 813,848.19 and 276,008.23 is: 414,391.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,068.93 : 813,848.19 = 276,008.23 : x
  2. Step 2: Convert to fraction form
    542,068.93/813,848.19 = 276,008.23/x
  3. Step 3: Cross multiply
    542,068.93x = 813,848.19 × 276,008.23
  4. Step 4: Simplify right side
    542,068.93x = 224,628,798,410.60
  5. Step 5: Solve for x
    x = 224,628,798,410.60/542,068.93
  6. Step 6: Final answer
    x = 414,391.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.