Home / 879,847.86-1,214,185.77-477,439.86

Finding the Fourth Proportional to 879,847.86, 1,214,185.77 and 477,439.86

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Solution

The fourth proportional to 879,847.86, 1,214,185.77 and 477,439.86 is: 658,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,847.86 : 1,214,185.77 = 477,439.86 : x
  2. Step 2: Convert to fraction form
    879,847.86/1,214,185.77 = 477,439.86/x
  3. Step 3: Cross multiply
    879,847.86x = 1,214,185.77 × 477,439.86
  4. Step 4: Simplify right side
    879,847.86x = 579,700,684,042.79
  5. Step 5: Solve for x
    x = 579,700,684,042.79/879,847.86
  6. Step 6: Final answer
    x = 658,864.69

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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.