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Finding the Fourth Proportional to 607,769.93, 912,226.93 and 308,465.31

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Solution

The fourth proportional to 607,769.93, 912,226.93 and 308,465.31 is: 462,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,769.93 : 912,226.93 = 308,465.31 : x
  2. Step 2: Convert to fraction form
    607,769.93/912,226.93 = 308,465.31/x
  3. Step 3: Cross multiply
    607,769.93x = 912,226.93 × 308,465.31
  4. Step 4: Simplify right side
    607,769.93x = 281,390,365,402.49
  5. Step 5: Solve for x
    x = 281,390,365,402.49/607,769.93
  6. Step 6: Final answer
    x = 462,988.30

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Why These Related Problems?

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