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Finding the Fourth Proportional to 477,349.58, 658,719.86 and 262,498.70

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Solution

The fourth proportional to 477,349.58, 658,719.86 and 262,498.70 is: 362,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,349.58 : 658,719.86 = 262,498.70 : x
  2. Step 2: Convert to fraction form
    477,349.58/658,719.86 = 262,498.70/x
  3. Step 3: Cross multiply
    477,349.58x = 658,719.86 × 262,498.70
  4. Step 4: Simplify right side
    477,349.58x = 172,913,106,914.18
  5. Step 5: Solve for x
    x = 172,913,106,914.18/477,349.58
  6. Step 6: Final answer
    x = 362,235.80

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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.