Home / 673,487.41-929,421.24-397,854.33

Finding the Fourth Proportional to 673,487.41, 929,421.24 and 397,854.33

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Solution

The fourth proportional to 673,487.41, 929,421.24 and 397,854.33 is: 549,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,487.41 : 929,421.24 = 397,854.33 : x
  2. Step 2: Convert to fraction form
    673,487.41/929,421.24 = 397,854.33/x
  3. Step 3: Cross multiply
    673,487.41x = 929,421.24 × 397,854.33
  4. Step 4: Simplify right side
    673,487.41x = 369,774,264,978.68
  5. Step 5: Solve for x
    x = 369,774,264,978.68/673,487.41
  6. Step 6: Final answer
    x = 549,044.07

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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.