Home / 791,089.84-1,091,705.29-428,516.68

Finding the Fourth Proportional to 791,089.84, 1,091,705.29 and 428,516.68

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Solution

The fourth proportional to 791,089.84, 1,091,705.29 and 428,516.68 is: 591,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,089.84 : 1,091,705.29 = 428,516.68 : x
  2. Step 2: Convert to fraction form
    791,089.84/1,091,705.29 = 428,516.68/x
  3. Step 3: Cross multiply
    791,089.84x = 1,091,705.29 × 428,516.68
  4. Step 4: Simplify right side
    791,089.84x = 467,813,927,066.04
  5. Step 5: Solve for x
    x = 467,813,927,066.04/791,089.84
  6. Step 6: Final answer
    x = 591,353.73

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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.