Home / 673,632.45-1,010,449.89-449,430.93

Finding the Fourth Proportional to 673,632.45, 1,010,449.89 and 449,430.93

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Solution

The fourth proportional to 673,632.45, 1,010,449.89 and 449,430.93 is: 674,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,632.45 : 1,010,449.89 = 449,430.93 : x
  2. Step 2: Convert to fraction form
    673,632.45/1,010,449.89 = 449,430.93/x
  3. Step 3: Cross multiply
    673,632.45x = 1,010,449.89 × 449,430.93
  4. Step 4: Simplify right side
    673,632.45x = 454,127,433,781.10
  5. Step 5: Solve for x
    x = 454,127,433,781.10/673,632.45
  6. Step 6: Final answer
    x = 674,147.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.