Home / 708,909.70-1,062,392.55-455,412.10

Finding the Fourth Proportional to 708,909.70, 1,062,392.55 and 455,412.10

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Solution

The fourth proportional to 708,909.70, 1,062,392.55 and 455,412.10 is: 682,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,909.70 : 1,062,392.55 = 455,412.10 : x
  2. Step 2: Convert to fraction form
    708,909.70/1,062,392.55 = 455,412.10/x
  3. Step 3: Cross multiply
    708,909.70x = 1,062,392.55 × 455,412.10
  4. Step 4: Simplify right side
    708,909.70x = 483,826,422,219.86
  5. Step 5: Solve for x
    x = 483,826,422,219.86/708,909.70
  6. Step 6: Final answer
    x = 682,493.73

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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.