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Finding the Fourth Proportional to 477,325.76, 658,726.48 and 262,482.16

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Solution

The fourth proportional to 477,325.76, 658,726.48 and 262,482.16 is: 362,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,325.76 : 658,726.48 = 262,482.16 : x
  2. Step 2: Convert to fraction form
    477,325.76/658,726.48 = 262,482.16/x
  3. Step 3: Cross multiply
    477,325.76x = 658,726.48 × 262,482.16
  4. Step 4: Simplify right side
    477,325.76x = 172,903,949,319.60
  5. Step 5: Solve for x
    x = 172,903,949,319.60/477,325.76
  6. Step 6: Final answer
    x = 362,234.69

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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.