Home / 718,971.24-1,078,457.22-245,661.24

Finding the Fourth Proportional to 718,971.24, 1,078,457.22 and 245,661.24

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Solution

The fourth proportional to 718,971.24, 1,078,457.22 and 245,661.24 is: 368,491.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,971.24 : 1,078,457.22 = 245,661.24 : x
  2. Step 2: Convert to fraction form
    718,971.24/1,078,457.22 = 245,661.24/x
  3. Step 3: Cross multiply
    718,971.24x = 1,078,457.22 × 245,661.24
  4. Step 4: Simplify right side
    718,971.24x = 264,935,137,952.15
  5. Step 5: Solve for x
    x = 264,935,137,952.15/718,971.24
  6. Step 6: Final answer
    x = 368,491.98

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Double scale
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Similar ratio
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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.