Home / 774,778.80-1,068,887.24-448,031.39

Finding the Fourth Proportional to 774,778.80, 1,068,887.24 and 448,031.39

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Solution

The fourth proportional to 774,778.80, 1,068,887.24 and 448,031.39 is: 618,105.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,778.80 : 1,068,887.24 = 448,031.39 : x
  2. Step 2: Convert to fraction form
    774,778.80/1,068,887.24 = 448,031.39/x
  3. Step 3: Cross multiply
    774,778.80x = 1,068,887.24 × 448,031.39
  4. Step 4: Simplify right side
    774,778.80x = 478,895,029,985.99
  5. Step 5: Solve for x
    x = 478,895,029,985.99/774,778.80
  6. Step 6: Final answer
    x = 618,105.49

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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.