Home / 740,521.20-1,110,781.80-682,784.40

Finding the Fourth Proportional to 740,521.20, 1,110,781.80 and 682,784.40

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Solution

The fourth proportional to 740,521.20, 1,110,781.80 and 682,784.40 is: 1,024,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,521.20 : 1,110,781.80 = 682,784.40 : x
  2. Step 2: Convert to fraction form
    740,521.20/1,110,781.80 = 682,784.40/x
  3. Step 3: Cross multiply
    740,521.20x = 1,110,781.80 × 682,784.40
  4. Step 4: Simplify right side
    740,521.20x = 758,424,484,843.92
  5. Step 5: Solve for x
    x = 758,424,484,843.92/740,521.20
  6. Step 6: Final answer
    x = 1,024,176.60

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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.