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Finding the Fourth Proportional to 500,864.42, 750,793.68 and 248,328.47

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Solution

The fourth proportional to 500,864.42, 750,793.68 and 248,328.47 is: 372,243.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,864.42 : 750,793.68 = 248,328.47 : x
  2. Step 2: Convert to fraction form
    500,864.42/750,793.68 = 248,328.47/x
  3. Step 3: Cross multiply
    500,864.42x = 750,793.68 × 248,328.47
  4. Step 4: Simplify right side
    500,864.42x = 186,443,445,840.07
  5. Step 5: Solve for x
    x = 186,443,445,840.07/500,864.42
  6. Step 6: Final answer
    x = 372,243.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.