Home / 779,012.01-1,170,572.94-419,448.69

Finding the Fourth Proportional to 779,012.01, 1,170,572.94 and 419,448.69

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Solution

The fourth proportional to 779,012.01, 1,170,572.94 and 419,448.69 is: 630,279.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,012.01 : 1,170,572.94 = 419,448.69 : x
  2. Step 2: Convert to fraction form
    779,012.01/1,170,572.94 = 419,448.69/x
  3. Step 3: Cross multiply
    779,012.01x = 1,170,572.94 × 419,448.69
  4. Step 4: Simplify right side
    779,012.01x = 490,995,286,232.45
  5. Step 5: Solve for x
    x = 490,995,286,232.45/779,012.01
  6. Step 6: Final answer
    x = 630,279.48

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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.