Home / 673,589.50-1,010,814.45-318,624.46

Finding the Fourth Proportional to 673,589.50, 1,010,814.45 and 318,624.46

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Solution

The fourth proportional to 673,589.50, 1,010,814.45 and 318,624.46 is: 478,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,589.50 : 1,010,814.45 = 318,624.46 : x
  2. Step 2: Convert to fraction form
    673,589.50/1,010,814.45 = 318,624.46/x
  3. Step 3: Cross multiply
    673,589.50x = 1,010,814.45 × 318,624.46
  4. Step 4: Simplify right side
    673,589.50x = 322,070,208,291.45
  5. Step 5: Solve for x
    x = 322,070,208,291.45/673,589.50
  6. Step 6: Final answer
    x = 478,140.19

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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.