Home / 479,632.32-661,972.64-458,374.08

Finding the Fourth Proportional to 479,632.32, 661,972.64 and 458,374.08

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Solution

The fourth proportional to 479,632.32, 661,972.64 and 458,374.08 is: 632,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,632.32 : 661,972.64 = 458,374.08 : x
  2. Step 2: Convert to fraction form
    479,632.32/661,972.64 = 458,374.08/x
  3. Step 3: Cross multiply
    479,632.32x = 661,972.64 × 458,374.08
  4. Step 4: Simplify right side
    479,632.32x = 303,431,099,845.17
  5. Step 5: Solve for x
    x = 303,431,099,845.17/479,632.32
  6. Step 6: Final answer
    x = 632,632.72

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1.5x scale

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.