Home / 779,818.95-1,169,840.03-240,120.90

Finding the Fourth Proportional to 779,818.95, 1,169,840.03 and 240,120.90

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Solution

The fourth proportional to 779,818.95, 1,169,840.03 and 240,120.90 is: 360,215.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,818.95 : 1,169,840.03 = 240,120.90 : x
  2. Step 2: Convert to fraction form
    779,818.95/1,169,840.03 = 240,120.90/x
  3. Step 3: Cross multiply
    779,818.95x = 1,169,840.03 × 240,120.90
  4. Step 4: Simplify right side
    779,818.95x = 280,903,039,659.02
  5. Step 5: Solve for x
    x = 280,903,039,659.02/779,818.95
  6. Step 6: Final answer
    x = 360,215.71

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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.