Home / 673,853.19-929,910.32-367,928.61

Finding the Fourth Proportional to 673,853.19, 929,910.32 and 367,928.61

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Solution

The fourth proportional to 673,853.19, 929,910.32 and 367,928.61 is: 507,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,853.19 : 929,910.32 = 367,928.61 : x
  2. Step 2: Convert to fraction form
    673,853.19/929,910.32 = 367,928.61/x
  3. Step 3: Cross multiply
    673,853.19x = 929,910.32 × 367,928.61
  4. Step 4: Simplify right side
    673,853.19x = 342,140,611,462.26
  5. Step 5: Solve for x
    x = 342,140,611,462.26/673,853.19
  6. Step 6: Final answer
    x = 507,737.61

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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.