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Finding the Fourth Proportional to 606,654.05, 909,981 and 207,298.26

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Solution

The fourth proportional to 606,654.05, 909,981 and 207,298.26 is: 310,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,654.05 : 909,981 = 207,298.26 : x
  2. Step 2: Convert to fraction form
    606,654.05/909,981 = 207,298.26/x
  3. Step 3: Cross multiply
    606,654.05x = 909,981 × 207,298.26
  4. Step 4: Simplify right side
    606,654.05x = 188,637,477,933.06
  5. Step 5: Solve for x
    x = 188,637,477,933.06/606,654.05
  6. Step 6: Final answer
    x = 310,947.37

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1.5x scale

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.