Home / 718,971.62-1,078,457.78-245,661.62

Finding the Fourth Proportional to 718,971.62, 1,078,457.78 and 245,661.62

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Solution

The fourth proportional to 718,971.62, 1,078,457.78 and 245,661.62 is: 368,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,971.62 : 1,078,457.78 = 245,661.62 : x
  2. Step 2: Convert to fraction form
    718,971.62/1,078,457.78 = 245,661.62/x
  3. Step 3: Cross multiply
    718,971.62x = 1,078,457.78 × 245,661.62
  4. Step 4: Simplify right side
    718,971.62x = 264,935,680,558.27
  5. Step 5: Solve for x
    x = 264,935,680,558.27/718,971.62
  6. Step 6: Final answer
    x = 368,492.55

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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.