Home / 779,961.50-1,169,794.29-380,200.22

Finding the Fourth Proportional to 779,961.50, 1,169,794.29 and 380,200.22

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Solution

The fourth proportional to 779,961.50, 1,169,794.29 and 380,200.22 is: 570,228.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,961.50 : 1,169,794.29 = 380,200.22 : x
  2. Step 2: Convert to fraction form
    779,961.50/1,169,794.29 = 380,200.22/x
  3. Step 3: Cross multiply
    779,961.50x = 1,169,794.29 × 380,200.22
  4. Step 4: Simplify right side
    779,961.50x = 444,756,046,412.74
  5. Step 5: Solve for x
    x = 444,756,046,412.74/779,961.50
  6. Step 6: Final answer
    x = 570,228.21

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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.