Home / 698,761.60-1,048,603.20-255,529.60

Finding the Fourth Proportional to 698,761.60, 1,048,603.20 and 255,529.60

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Solution

The fourth proportional to 698,761.60, 1,048,603.20 and 255,529.60 is: 383,462.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,761.60 : 1,048,603.20 = 255,529.60 : x
  2. Step 2: Convert to fraction form
    698,761.60/1,048,603.20 = 255,529.60/x
  3. Step 3: Cross multiply
    698,761.60x = 1,048,603.20 × 255,529.60
  4. Step 4: Simplify right side
    698,761.60x = 267,949,156,254.72
  5. Step 5: Solve for x
    x = 267,949,156,254.72/698,761.60
  6. Step 6: Final answer
    x = 383,462.91

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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.