Home / 734,807.28-1,014,144.71-448,493.74

Finding the Fourth Proportional to 734,807.28, 1,014,144.71 and 448,493.74

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Solution

The fourth proportional to 734,807.28, 1,014,144.71 and 448,493.74 is: 618,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,807.28 : 1,014,144.71 = 448,493.74 : x
  2. Step 2: Convert to fraction form
    734,807.28/1,014,144.71 = 448,493.74/x
  3. Step 3: Cross multiply
    734,807.28x = 1,014,144.71 × 448,493.74
  4. Step 4: Simplify right side
    734,807.28x = 454,837,555,010.35
  5. Step 5: Solve for x
    x = 454,837,555,010.35/734,807.28
  6. Step 6: Final answer
    x = 618,988.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.