Home / 714,121.58-985,762.08-484,781.38

Finding the Fourth Proportional to 714,121.58, 985,762.08 and 484,781.38

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Solution

The fourth proportional to 714,121.58, 985,762.08 and 484,781.38 is: 669,184.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,121.58 : 985,762.08 = 484,781.38 : x
  2. Step 2: Convert to fraction form
    714,121.58/985,762.08 = 484,781.38/x
  3. Step 3: Cross multiply
    714,121.58x = 985,762.08 × 484,781.38
  4. Step 4: Simplify right side
    714,121.58x = 477,879,099,029.67
  5. Step 5: Solve for x
    x = 477,879,099,029.67/714,121.58
  6. Step 6: Final answer
    x = 669,184.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.