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Finding the Fourth Proportional to 606,655.81, 909,983.61 and 207,300.01

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Solution

The fourth proportional to 606,655.81, 909,983.61 and 207,300.01 is: 310,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,655.81 : 909,983.61 = 207,300.01 : x
  2. Step 2: Convert to fraction form
    606,655.81/909,983.61 = 207,300.01/x
  3. Step 3: Cross multiply
    606,655.81x = 909,983.61 × 207,300.01
  4. Step 4: Simplify right side
    606,655.81x = 188,639,611,452.84
  5. Step 5: Solve for x
    x = 188,639,611,452.84/606,655.81
  6. Step 6: Final answer
    x = 310,949.98

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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.