Home / 743,117.76-1,025,504.28-403,578.72

Finding the Fourth Proportional to 743,117.76, 1,025,504.28 and 403,578.72

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Solution

The fourth proportional to 743,117.76, 1,025,504.28 and 403,578.72 is: 556,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,117.76 : 1,025,504.28 = 403,578.72 : x
  2. Step 2: Convert to fraction form
    743,117.76/1,025,504.28 = 403,578.72/x
  3. Step 3: Cross multiply
    743,117.76x = 1,025,504.28 × 403,578.72
  4. Step 4: Simplify right side
    743,117.76x = 413,871,704,676.92
  5. Step 5: Solve for x
    x = 413,871,704,676.92/743,117.76
  6. Step 6: Final answer
    x = 556,939.60

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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.