Home / 607,936.90-838,926.80-335,990.74

Finding the Fourth Proportional to 607,936.90, 838,926.80 and 335,990.74

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Solution

The fourth proportional to 607,936.90, 838,926.80 and 335,990.74 is: 463,652.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,936.90 : 838,926.80 = 335,990.74 : x
  2. Step 2: Convert to fraction form
    607,936.90/838,926.80 = 335,990.74/x
  3. Step 3: Cross multiply
    607,936.90x = 838,926.80 × 335,990.74
  4. Step 4: Simplify right side
    607,936.90x = 281,871,636,337.83
  5. Step 5: Solve for x
    x = 281,871,636,337.83/607,936.90
  6. Step 6: Final answer
    x = 463,652.78

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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.