Home / 716,466.51-1,074,384.23-379,428.39

Finding the Fourth Proportional to 716,466.51, 1,074,384.23 and 379,428.39

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Solution

The fourth proportional to 716,466.51, 1,074,384.23 and 379,428.39 is: 568,975.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,466.51 : 1,074,384.23 = 379,428.39 : x
  2. Step 2: Convert to fraction form
    716,466.51/1,074,384.23 = 379,428.39/x
  3. Step 3: Cross multiply
    716,466.51x = 1,074,384.23 × 379,428.39
  4. Step 4: Simplify right side
    716,466.51x = 407,651,876,733.15
  5. Step 5: Solve for x
    x = 407,651,876,733.15/716,466.51
  6. Step 6: Final answer
    x = 568,975.48

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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.