Home / 674,211.16-1,011,467.40-253,490.68

Finding the Fourth Proportional to 674,211.16, 1,011,467.40 and 253,490.68

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Solution

The fourth proportional to 674,211.16, 1,011,467.40 and 253,490.68 is: 380,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,211.16 : 1,011,467.40 = 253,490.68 : x
  2. Step 2: Convert to fraction form
    674,211.16/1,011,467.40 = 253,490.68/x
  3. Step 3: Cross multiply
    674,211.16x = 1,011,467.40 × 253,490.68
  4. Step 4: Simplify right side
    674,211.16x = 256,397,559,023.83
  5. Step 5: Solve for x
    x = 256,397,559,023.83/674,211.16
  6. Step 6: Final answer
    x = 380,292.67

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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.