Home / 830,354.49-1,245,532.95-231,317.37

Finding the Fourth Proportional to 830,354.49, 1,245,532.95 and 231,317.37

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Solution

The fourth proportional to 830,354.49, 1,245,532.95 and 231,317.37 is: 346,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,354.49 : 1,245,532.95 = 231,317.37 : x
  2. Step 2: Convert to fraction form
    830,354.49/1,245,532.95 = 231,317.37/x
  3. Step 3: Cross multiply
    830,354.49x = 1,245,532.95 × 231,317.37
  4. Step 4: Simplify right side
    830,354.49x = 288,113,406,242.34
  5. Step 5: Solve for x
    x = 288,113,406,242.34/830,354.49
  6. Step 6: Final answer
    x = 346,976.39

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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.