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Finding the Fourth Proportional to 608,890.40, 840,606.56 and 367,233.92

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Solution

The fourth proportional to 608,890.40, 840,606.56 and 367,233.92 is: 506,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,890.40 : 840,606.56 = 367,233.92 : x
  2. Step 2: Convert to fraction form
    608,890.40/840,606.56 = 367,233.92/x
  3. Step 3: Cross multiply
    608,890.40x = 840,606.56 × 367,233.92
  4. Step 4: Simplify right side
    608,890.40x = 308,699,242,206.52
  5. Step 5: Solve for x
    x = 308,699,242,206.52/608,890.40
  6. Step 6: Final answer
    x = 506,986.55

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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.