Home / 718,971.49-1,078,457.60-245,661.49

Finding the Fourth Proportional to 718,971.49, 1,078,457.60 and 245,661.49

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Solution

The fourth proportional to 718,971.49, 1,078,457.60 and 245,661.49 is: 368,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,971.49 : 1,078,457.60 = 245,661.49 : x
  2. Step 2: Convert to fraction form
    718,971.49/1,078,457.60 = 245,661.49/x
  3. Step 3: Cross multiply
    718,971.49x = 1,078,457.60 × 245,661.49
  4. Step 4: Simplify right side
    718,971.49x = 264,935,500,917.82
  5. Step 5: Solve for x
    x = 264,935,500,917.82/718,971.49
  6. Step 6: Final answer
    x = 368,492.36

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Double scale
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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.