Home / 781,635.90-1,171,633.05-497,544.06

Finding the Fourth Proportional to 781,635.90, 1,171,633.05 and 497,544.06

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Solution

The fourth proportional to 781,635.90, 1,171,633.05 and 497,544.06 is: 745,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,635.90 : 1,171,633.05 = 497,544.06 : x
  2. Step 2: Convert to fraction form
    781,635.90/1,171,633.05 = 497,544.06/x
  3. Step 3: Cross multiply
    781,635.90x = 1,171,633.05 × 497,544.06
  4. Step 4: Simplify right side
    781,635.90x = 582,939,064,527.18
  5. Step 5: Solve for x
    x = 582,939,064,527.18/781,635.90
  6. Step 6: Final answer
    x = 745,793.62

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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.