Home / 522,604-721,172.64-307,753.12

Finding the Fourth Proportional to 522,604, 721,172.64 and 307,753.12

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Solution

The fourth proportional to 522,604, 721,172.64 and 307,753.12 is: 424,687.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,604 : 721,172.64 = 307,753.12 : x
  2. Step 2: Convert to fraction form
    522,604/721,172.64 = 307,753.12/x
  3. Step 3: Cross multiply
    522,604x = 721,172.64 × 307,753.12
  4. Step 4: Simplify right side
    522,604x = 221,943,130,018.64
  5. Step 5: Solve for x
    x = 221,943,130,018.64/522,604
  6. Step 6: Final answer
    x = 424,687.01

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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.