Home / 718,097.74-1,076,230.80-381,299.74

Finding the Fourth Proportional to 718,097.74, 1,076,230.80 and 381,299.74

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Solution

The fourth proportional to 718,097.74, 1,076,230.80 and 381,299.74 is: 571,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,097.74 : 1,076,230.80 = 381,299.74 : x
  2. Step 2: Convert to fraction form
    718,097.74/1,076,230.80 = 381,299.74/x
  3. Step 3: Cross multiply
    718,097.74x = 1,076,230.80 × 381,299.74
  4. Step 4: Simplify right side
    718,097.74x = 410,366,521,529.42
  5. Step 5: Solve for x
    x = 410,366,521,529.42/718,097.74
  6. Step 6: Final answer
    x = 571,463.33

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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.