Home / 515,242.02-710,983.17-285,795.30

Finding the Fourth Proportional to 515,242.02, 710,983.17 and 285,795.30

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Solution

The fourth proportional to 515,242.02, 710,983.17 and 285,795.30 is: 394,369.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,242.02 : 710,983.17 = 285,795.30 : x
  2. Step 2: Convert to fraction form
    515,242.02/710,983.17 = 285,795.30/x
  3. Step 3: Cross multiply
    515,242.02x = 710,983.17 × 285,795.30
  4. Step 4: Simplify right side
    515,242.02x = 203,195,648,365.10
  5. Step 5: Solve for x
    x = 203,195,648,365.10/515,242.02
  6. Step 6: Final answer
    x = 394,369.33

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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.