Home / 939,732.30-1,296,830.52-510,012.42

Finding the Fourth Proportional to 939,732.30, 1,296,830.52 and 510,012.42

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Solution

The fourth proportional to 939,732.30, 1,296,830.52 and 510,012.42 is: 703,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,732.30 : 1,296,830.52 = 510,012.42 : x
  2. Step 2: Convert to fraction form
    939,732.30/1,296,830.52 = 510,012.42/x
  3. Step 3: Cross multiply
    939,732.30x = 1,296,830.52 × 510,012.42
  4. Step 4: Simplify right side
    939,732.30x = 661,399,671,835.06
  5. Step 5: Solve for x
    x = 661,399,671,835.06/939,732.30
  6. Step 6: Final answer
    x = 703,817.11

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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.