Home / 798,378.72-1,102,158.09-508,278.69

Finding the Fourth Proportional to 798,378.72, 1,102,158.09 and 508,278.69

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Solution

The fourth proportional to 798,378.72, 1,102,158.09 and 508,278.69 is: 701,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,378.72 : 1,102,158.09 = 508,278.69 : x
  2. Step 2: Convert to fraction form
    798,378.72/1,102,158.09 = 508,278.69/x
  3. Step 3: Cross multiply
    798,378.72x = 1,102,158.09 × 508,278.69
  4. Step 4: Simplify right side
    798,378.72x = 560,203,470,158.10
  5. Step 5: Solve for x
    x = 560,203,470,158.10/798,378.72
  6. Step 6: Final answer
    x = 701,676.35

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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.