Home / 779,231.88-1,168,847.74-394,920.87

Finding the Fourth Proportional to 779,231.88, 1,168,847.74 and 394,920.87

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Solution

The fourth proportional to 779,231.88, 1,168,847.74 and 394,920.87 is: 592,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,231.88 : 1,168,847.74 = 394,920.87 : x
  2. Step 2: Convert to fraction form
    779,231.88/1,168,847.74 = 394,920.87/x
  3. Step 3: Cross multiply
    779,231.88x = 1,168,847.74 × 394,920.87
  4. Step 4: Simplify right side
    779,231.88x = 461,602,360,534.10
  5. Step 5: Solve for x
    x = 461,602,360,534.10/779,231.88
  6. Step 6: Final answer
    x = 592,381.26

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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.