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Finding the Fourth Proportional to 475,289.35, 709,476.65 and 440,164.42

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Solution

The fourth proportional to 475,289.35, 709,476.65 and 440,164.42 is: 657,044.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,289.35 : 709,476.65 = 440,164.42 : x
  2. Step 2: Convert to fraction form
    475,289.35/709,476.65 = 440,164.42/x
  3. Step 3: Cross multiply
    475,289.35x = 709,476.65 × 440,164.42
  4. Step 4: Simplify right side
    475,289.35x = 312,286,377,477.51
  5. Step 5: Solve for x
    x = 312,286,377,477.51/475,289.35
  6. Step 6: Final answer
    x = 657,044.76

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.