Home / 847,887.60-1,271,831.40-342,690.60

Finding the Fourth Proportional to 847,887.60, 1,271,831.40 and 342,690.60

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Solution

The fourth proportional to 847,887.60, 1,271,831.40 and 342,690.60 is: 514,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,887.60 : 1,271,831.40 = 342,690.60 : x
  2. Step 2: Convert to fraction form
    847,887.60/1,271,831.40 = 342,690.60/x
  3. Step 3: Cross multiply
    847,887.60x = 1,271,831.40 × 342,690.60
  4. Step 4: Simplify right side
    847,887.60x = 435,844,665,564.84
  5. Step 5: Solve for x
    x = 435,844,665,564.84/847,887.60
  6. Step 6: Final answer
    x = 514,035.90

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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.