Home / 673,839.70-1,010,759.55-358,911.70

Finding the Fourth Proportional to 673,839.70, 1,010,759.55 and 358,911.70

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Solution

The fourth proportional to 673,839.70, 1,010,759.55 and 358,911.70 is: 538,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,839.70 : 1,010,759.55 = 358,911.70 : x
  2. Step 2: Convert to fraction form
    673,839.70/1,010,759.55 = 358,911.70/x
  3. Step 3: Cross multiply
    673,839.70x = 1,010,759.55 × 358,911.70
  4. Step 4: Simplify right side
    673,839.70x = 362,773,428,381.74
  5. Step 5: Solve for x
    x = 362,773,428,381.74/673,839.70
  6. Step 6: Final answer
    x = 538,367.55

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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.