Home / 821,670.02-1,231,688.54-571,827.14

Finding the Fourth Proportional to 821,670.02, 1,231,688.54 and 571,827.14

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Solution

The fourth proportional to 821,670.02, 1,231,688.54 and 571,827.14 is: 857,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,670.02 : 1,231,688.54 = 571,827.14 : x
  2. Step 2: Convert to fraction form
    821,670.02/1,231,688.54 = 571,827.14/x
  3. Step 3: Cross multiply
    821,670.02x = 1,231,688.54 × 571,827.14
  4. Step 4: Simplify right side
    821,670.02x = 704,312,935,198.98
  5. Step 5: Solve for x
    x = 704,312,935,198.98/821,670.02
  6. Step 6: Final answer
    x = 857,172.49

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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.