Home / 479,628.32-661,967.12-458,370.08

Finding the Fourth Proportional to 479,628.32, 661,967.12 and 458,370.08

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Solution

The fourth proportional to 479,628.32, 661,967.12 and 458,370.08 is: 632,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,628.32 : 661,967.12 = 458,370.08 : x
  2. Step 2: Convert to fraction form
    479,628.32/661,967.12 = 458,370.08/x
  3. Step 3: Cross multiply
    479,628.32x = 661,967.12 × 458,370.08
  4. Step 4: Simplify right side
    479,628.32x = 303,425,921,751.77
  5. Step 5: Solve for x
    x = 303,425,921,751.77/479,628.32
  6. Step 6: Final answer
    x = 632,627.20

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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.