Home / 696,112.02-960,693.35-390,183.53

Finding the Fourth Proportional to 696,112.02, 960,693.35 and 390,183.53

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Solution

The fourth proportional to 696,112.02, 960,693.35 and 390,183.53 is: 538,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,112.02 : 960,693.35 = 390,183.53 : x
  2. Step 2: Convert to fraction form
    696,112.02/960,693.35 = 390,183.53/x
  3. Step 3: Cross multiply
    696,112.02x = 960,693.35 × 390,183.53
  4. Step 4: Simplify right side
    696,112.02x = 374,846,715,796.14
  5. Step 5: Solve for x
    x = 374,846,715,796.14/696,112.02
  6. Step 6: Final answer
    x = 538,486.20

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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.