Home / 828,874.47-1,243,307.61-716,211.86

Finding the Fourth Proportional to 828,874.47, 1,243,307.61 and 716,211.86

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Solution

The fourth proportional to 828,874.47, 1,243,307.61 and 716,211.86 is: 1,074,314.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,874.47 : 1,243,307.61 = 716,211.86 : x
  2. Step 2: Convert to fraction form
    828,874.47/1,243,307.61 = 716,211.86/x
  3. Step 3: Cross multiply
    828,874.47x = 1,243,307.61 × 716,211.86
  4. Step 4: Simplify right side
    828,874.47x = 890,471,649,693.72
  5. Step 5: Solve for x
    x = 890,471,649,693.72/828,874.47
  6. Step 6: Final answer
    x = 1,074,314.24

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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.