Home / 719,388.94-1,078,981.08-293,110.78

Finding the Fourth Proportional to 719,388.94, 1,078,981.08 and 293,110.78

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Solution

The fourth proportional to 719,388.94, 1,078,981.08 and 293,110.78 is: 439,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,388.94 : 1,078,981.08 = 293,110.78 : x
  2. Step 2: Convert to fraction form
    719,388.94/1,078,981.08 = 293,110.78/x
  3. Step 3: Cross multiply
    719,388.94x = 1,078,981.08 × 293,110.78
  4. Step 4: Simplify right side
    719,388.94x = 316,260,985,964.04
  5. Step 5: Solve for x
    x = 316,260,985,964.04/719,388.94
  6. Step 6: Final answer
    x = 439,624.48

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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.