Home / 791,181.40-1,187,160.90-370,384.60

Finding the Fourth Proportional to 791,181.40, 1,187,160.90 and 370,384.60

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Solution

The fourth proportional to 791,181.40, 1,187,160.90 and 370,384.60 is: 555,758.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,181.40 : 1,187,160.90 = 370,384.60 : x
  2. Step 2: Convert to fraction form
    791,181.40/1,187,160.90 = 370,384.60/x
  3. Step 3: Cross multiply
    791,181.40x = 1,187,160.90 × 370,384.60
  4. Step 4: Simplify right side
    791,181.40x = 439,706,115,082.14
  5. Step 5: Solve for x
    x = 439,706,115,082.14/791,181.40
  6. Step 6: Final answer
    x = 555,758.91

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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.