Home / 924,893.20-1,387,339.80-481,603.60

Finding the Fourth Proportional to 924,893.20, 1,387,339.80 and 481,603.60

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Solution

The fourth proportional to 924,893.20, 1,387,339.80 and 481,603.60 is: 722,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,893.20 : 1,387,339.80 = 481,603.60 : x
  2. Step 2: Convert to fraction form
    924,893.20/1,387,339.80 = 481,603.60/x
  3. Step 3: Cross multiply
    924,893.20x = 1,387,339.80 × 481,603.60
  4. Step 4: Simplify right side
    924,893.20x = 668,147,842,103.28
  5. Step 5: Solve for x
    x = 668,147,842,103.28/924,893.20
  6. Step 6: Final answer
    x = 722,405.40

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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.