Home / 459,647.20-633,790.08-323,637.64

Finding the Fourth Proportional to 459,647.20, 633,790.08 and 323,637.64

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Solution

The fourth proportional to 459,647.20, 633,790.08 and 323,637.64 is: 446,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,647.20 : 633,790.08 = 323,637.64 : x
  2. Step 2: Convert to fraction form
    459,647.20/633,790.08 = 323,637.64/x
  3. Step 3: Cross multiply
    459,647.20x = 633,790.08 × 323,637.64
  4. Step 4: Simplify right side
    459,647.20x = 205,118,325,746.61
  5. Step 5: Solve for x
    x = 205,118,325,746.61/459,647.20
  6. Step 6: Final answer
    x = 446,251.66

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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.