Home / 743,969.45-1,026,649.27-404,437.70

Finding the Fourth Proportional to 743,969.45, 1,026,649.27 and 404,437.70

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Solution

The fourth proportional to 743,969.45, 1,026,649.27 and 404,437.70 is: 558,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,969.45 : 1,026,649.27 = 404,437.70 : x
  2. Step 2: Convert to fraction form
    743,969.45/1,026,649.27 = 404,437.70/x
  3. Step 3: Cross multiply
    743,969.45x = 1,026,649.27 × 404,437.70
  4. Step 4: Simplify right side
    743,969.45x = 415,215,669,465.48
  5. Step 5: Solve for x
    x = 415,215,669,465.48/743,969.45
  6. Step 6: Final answer
    x = 558,108.49

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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.