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Finding the Fourth Proportional to 564,670.22, 779,246.43 and 310,037.90

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Solution

The fourth proportional to 564,670.22, 779,246.43 and 310,037.90 is: 427,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,670.22 : 779,246.43 = 310,037.90 : x
  2. Step 2: Convert to fraction form
    564,670.22/779,246.43 = 310,037.90/x
  3. Step 3: Cross multiply
    564,670.22x = 779,246.43 × 310,037.90
  4. Step 4: Simplify right side
    564,670.22x = 241,595,926,739.70
  5. Step 5: Solve for x
    x = 241,595,926,739.70/564,670.22
  6. Step 6: Final answer
    x = 427,853.14

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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.