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Finding the Fourth Proportional to 978,681, 1,468,232.70 and 304,748.52

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Solution

The fourth proportional to 978,681, 1,468,232.70 and 304,748.52 is: 457,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,681 : 1,468,232.70 = 304,748.52 : x
  2. Step 2: Convert to fraction form
    978,681/1,468,232.70 = 304,748.52/x
  3. Step 3: Cross multiply
    978,681x = 1,468,232.70 × 304,748.52
  4. Step 4: Simplify right side
    978,681x = 447,441,742,340.60
  5. Step 5: Solve for x
    x = 447,441,742,340.60/978,681
  6. Step 6: Final answer
    x = 457,188.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.