Home / 674,344.40-1,010,835.03-290,343.74

Finding the Fourth Proportional to 674,344.40, 1,010,835.03 and 290,343.74

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Solution

The fourth proportional to 674,344.40, 1,010,835.03 and 290,343.74 is: 435,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,344.40 : 1,010,835.03 = 290,343.74 : x
  2. Step 2: Convert to fraction form
    674,344.40/1,010,835.03 = 290,343.74/x
  3. Step 3: Cross multiply
    674,344.40x = 1,010,835.03 × 290,343.74
  4. Step 4: Simplify right side
    674,344.40x = 293,489,618,351.23
  5. Step 5: Solve for x
    x = 293,489,618,351.23/674,344.40
  6. Step 6: Final answer
    x = 435,222.15

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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.