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Finding the Fourth Proportional to 707,046.59, 975,744.65 and 384,777.11

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Solution

The fourth proportional to 707,046.59, 975,744.65 and 384,777.11 is: 531,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,046.59 : 975,744.65 = 384,777.11 : x
  2. Step 2: Convert to fraction form
    707,046.59/975,744.65 = 384,777.11/x
  3. Step 3: Cross multiply
    707,046.59x = 975,744.65 × 384,777.11
  4. Step 4: Simplify right side
    707,046.59x = 375,444,209,926.27
  5. Step 5: Solve for x
    x = 375,444,209,926.27/707,046.59
  6. Step 6: Final answer
    x = 531,003.49

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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.