Home / 464,222.90-640,741.55-283,034.73

Finding the Fourth Proportional to 464,222.90, 640,741.55 and 283,034.73

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Solution

The fourth proportional to 464,222.90, 640,741.55 and 283,034.73 is: 390,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,222.90 : 640,741.55 = 283,034.73 : x
  2. Step 2: Convert to fraction form
    464,222.90/640,741.55 = 283,034.73/x
  3. Step 3: Cross multiply
    464,222.90x = 640,741.55 × 283,034.73
  4. Step 4: Simplify right side
    464,222.90x = 181,352,110,188.86
  5. Step 5: Solve for x
    x = 181,352,110,188.86/464,222.90
  6. Step 6: Final answer
    x = 390,657.40

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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.