Home / 984,906.30-1,476,322.65-385,635.90

Finding the Fourth Proportional to 984,906.30, 1,476,322.65 and 385,635.90

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Solution

The fourth proportional to 984,906.30, 1,476,322.65 and 385,635.90 is: 578,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,906.30 : 1,476,322.65 = 385,635.90 : x
  2. Step 2: Convert to fraction form
    984,906.30/1,476,322.65 = 385,635.90/x
  3. Step 3: Cross multiply
    984,906.30x = 1,476,322.65 × 385,635.90
  4. Step 4: Simplify right side
    984,906.30x = 569,323,013,823.14
  5. Step 5: Solve for x
    x = 569,323,013,823.14/984,906.30
  6. Step 6: Final answer
    x = 578,047.90

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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.