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Finding the Fourth Proportional to 435,499.84, 652,637.08 and 346,357.72

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Solution

The fourth proportional to 435,499.84, 652,637.08 and 346,357.72 is: 519,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,499.84 : 652,637.08 = 346,357.72 : x
  2. Step 2: Convert to fraction form
    435,499.84/652,637.08 = 346,357.72/x
  3. Step 3: Cross multiply
    435,499.84x = 652,637.08 × 346,357.72
  4. Step 4: Simplify right side
    435,499.84x = 226,045,891,016.26
  5. Step 5: Solve for x
    x = 226,045,891,016.26/435,499.84
  6. Step 6: Final answer
    x = 519,049.31

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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.