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Finding the Fourth Proportional to 536,045.88, 803,017.71 and 310,933.38

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Solution

The fourth proportional to 536,045.88, 803,017.71 and 310,933.38 is: 465,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,045.88 : 803,017.71 = 310,933.38 : x
  2. Step 2: Convert to fraction form
    536,045.88/803,017.71 = 310,933.38/x
  3. Step 3: Cross multiply
    536,045.88x = 803,017.71 × 310,933.38
  4. Step 4: Simplify right side
    536,045.88x = 249,685,010,770.16
  5. Step 5: Solve for x
    x = 249,685,010,770.16/536,045.88
  6. Step 6: Final answer
    x = 465,790.37

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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.