Home / 608,839.60-913,259.40-328,903.60

Finding the Fourth Proportional to 608,839.60, 913,259.40 and 328,903.60

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Solution

The fourth proportional to 608,839.60, 913,259.40 and 328,903.60 is: 493,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,839.60 : 913,259.40 = 328,903.60 : x
  2. Step 2: Convert to fraction form
    608,839.60/913,259.40 = 328,903.60/x
  3. Step 3: Cross multiply
    608,839.60x = 913,259.40 × 328,903.60
  4. Step 4: Simplify right side
    608,839.60x = 300,374,304,393.84
  5. Step 5: Solve for x
    x = 300,374,304,393.84/608,839.60
  6. Step 6: Final answer
    x = 493,355.40

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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.