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Finding the Fourth Proportional to 673,420.92, 929,326.28 and 367,499.72

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Solution

The fourth proportional to 673,420.92, 929,326.28 and 367,499.72 is: 507,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,420.92 : 929,326.28 = 367,499.72 : x
  2. Step 2: Convert to fraction form
    673,420.92/929,326.28 = 367,499.72/x
  3. Step 3: Cross multiply
    673,420.92x = 929,326.28 × 367,499.72
  4. Step 4: Simplify right side
    673,420.92x = 341,527,141,204.51
  5. Step 5: Solve for x
    x = 341,527,141,204.51/673,420.92
  6. Step 6: Final answer
    x = 507,152.56

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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.