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Finding the Fourth Proportional to 551,833.07, 761,737.74 and 322,464.91

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Solution

The fourth proportional to 551,833.07, 761,737.74 and 322,464.91 is: 445,123.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,833.07 : 761,737.74 = 322,464.91 : x
  2. Step 2: Convert to fraction form
    551,833.07/761,737.74 = 322,464.91/x
  3. Step 3: Cross multiply
    551,833.07x = 761,737.74 × 322,464.91
  4. Step 4: Simplify right side
    551,833.07x = 245,633,688,659.12
  5. Step 5: Solve for x
    x = 245,633,688,659.12/551,833.07
  6. Step 6: Final answer
    x = 445,123.18

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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.