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Finding the Fourth Proportional to 608,648.28, 839,897.90 and 367,009.08

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Solution

The fourth proportional to 608,648.28, 839,897.90 and 367,009.08 is: 506,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,648.28 : 839,897.90 = 367,009.08 : x
  2. Step 2: Convert to fraction form
    608,648.28/839,897.90 = 367,009.08/x
  3. Step 3: Cross multiply
    608,648.28x = 839,897.90 × 367,009.08
  4. Step 4: Simplify right side
    608,648.28x = 308,250,155,572.93
  5. Step 5: Solve for x
    x = 308,250,155,572.93/608,648.28
  6. Step 6: Final answer
    x = 506,450.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.