Home / 743,700.26-1,026,267.08-421,414.22

Finding the Fourth Proportional to 743,700.26, 1,026,267.08 and 421,414.22

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Solution

The fourth proportional to 743,700.26, 1,026,267.08 and 421,414.22 is: 581,529.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,700.26 : 1,026,267.08 = 421,414.22 : x
  2. Step 2: Convert to fraction form
    743,700.26/1,026,267.08 = 421,414.22/x
  3. Step 3: Cross multiply
    743,700.26x = 1,026,267.08 × 421,414.22
  4. Step 4: Simplify right side
    743,700.26x = 432,483,541,029.88
  5. Step 5: Solve for x
    x = 432,483,541,029.88/743,700.26
  6. Step 6: Final answer
    x = 581,529.37

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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.