Home / 673,345.22-929,213.86-367,418.92

Finding the Fourth Proportional to 673,345.22, 929,213.86 and 367,418.92

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Solution

The fourth proportional to 673,345.22, 929,213.86 and 367,418.92 is: 507,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,345.22 : 929,213.86 = 367,418.92 : x
  2. Step 2: Convert to fraction form
    673,345.22/929,213.86 = 367,418.92/x
  3. Step 3: Cross multiply
    673,345.22x = 929,213.86 × 367,418.92
  4. Step 4: Simplify right side
    673,345.22x = 341,410,752,890.23
  5. Step 5: Solve for x
    x = 341,410,752,890.23/673,345.22
  6. Step 6: Final answer
    x = 507,036.72

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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.