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Finding the Fourth Proportional to 477,368.91, 658,773.81 and 262,510.47

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Solution

The fourth proportional to 477,368.91, 658,773.81 and 262,510.47 is: 362,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,368.91 : 658,773.81 = 262,510.47 : x
  2. Step 2: Convert to fraction form
    477,368.91/658,773.81 = 262,510.47/x
  3. Step 3: Cross multiply
    477,368.91x = 658,773.81 × 262,510.47
  4. Step 4: Simplify right side
    477,368.91x = 172,935,022,486.79
  5. Step 5: Solve for x
    x = 172,935,022,486.79/477,368.91
  6. Step 6: Final answer
    x = 362,267.04

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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.