Home / 674,947-931,446.30-373,160.44

Finding the Fourth Proportional to 674,947, 931,446.30 and 373,160.44

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Solution

The fourth proportional to 674,947, 931,446.30 and 373,160.44 is: 514,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,947 : 931,446.30 = 373,160.44 : x
  2. Step 2: Convert to fraction form
    674,947/931,446.30 = 373,160.44/x
  3. Step 3: Cross multiply
    674,947x = 931,446.30 × 373,160.44
  4. Step 4: Simplify right side
    674,947x = 347,578,911,144.37
  5. Step 5: Solve for x
    x = 347,578,911,144.37/674,947
  6. Step 6: Final answer
    x = 514,972.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.