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Finding the Fourth Proportional to 634,539.81, 875,662.44 and 344,150.22

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Solution

The fourth proportional to 634,539.81, 875,662.44 and 344,150.22 is: 474,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,539.81 : 875,662.44 = 344,150.22 : x
  2. Step 2: Convert to fraction form
    634,539.81/875,662.44 = 344,150.22/x
  3. Step 3: Cross multiply
    634,539.81x = 875,662.44 × 344,150.22
  4. Step 4: Simplify right side
    634,539.81x = 301,359,421,371.74
  5. Step 5: Solve for x
    x = 301,359,421,371.74/634,539.81
  6. Step 6: Final answer
    x = 474,925.95

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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.