Home / 693,857.02-957,524.28-387,944.32

Finding the Fourth Proportional to 693,857.02, 957,524.28 and 387,944.32

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Solution

The fourth proportional to 693,857.02, 957,524.28 and 387,944.32 is: 535,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,857.02 : 957,524.28 = 387,944.32 : x
  2. Step 2: Convert to fraction form
    693,857.02/957,524.28 = 387,944.32/x
  3. Step 3: Cross multiply
    693,857.02x = 957,524.28 × 387,944.32
  4. Step 4: Simplify right side
    693,857.02x = 371,466,105,688.09
  5. Step 5: Solve for x
    x = 371,466,105,688.09/693,857.02
  6. Step 6: Final answer
    x = 535,364.05

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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.