Home / 673,845.42-929,899.63-367,920.86

Finding the Fourth Proportional to 673,845.42, 929,899.63 and 367,920.86

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Solution

The fourth proportional to 673,845.42, 929,899.63 and 367,920.86 is: 507,726.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,845.42 : 929,899.63 = 367,920.86 : x
  2. Step 2: Convert to fraction form
    673,845.42/929,899.63 = 367,920.86/x
  3. Step 3: Cross multiply
    673,845.42x = 929,899.63 × 367,920.86
  4. Step 4: Simplify right side
    673,845.42x = 342,129,471,043.81
  5. Step 5: Solve for x
    x = 342,129,471,043.81/673,845.42
  6. Step 6: Final answer
    x = 507,726.93

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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.