Home / 788,333.36-1,182,506.52-339,023.12

Finding the Fourth Proportional to 788,333.36, 1,182,506.52 and 339,023.12

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Solution

The fourth proportional to 788,333.36, 1,182,506.52 and 339,023.12 is: 508,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,333.36 : 1,182,506.52 = 339,023.12 : x
  2. Step 2: Convert to fraction form
    788,333.36/1,182,506.52 = 339,023.12/x
  3. Step 3: Cross multiply
    788,333.36x = 1,182,506.52 × 339,023.12
  4. Step 4: Simplify right side
    788,333.36x = 400,897,049,830.74
  5. Step 5: Solve for x
    x = 400,897,049,830.74/788,333.36
  6. Step 6: Final answer
    x = 508,537.47

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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.