Home / 758,819.52-1,138,083.03-353,899.98

Finding the Fourth Proportional to 758,819.52, 1,138,083.03 and 353,899.98

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Solution

The fourth proportional to 758,819.52, 1,138,083.03 and 353,899.98 is: 530,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,819.52 : 1,138,083.03 = 353,899.98 : x
  2. Step 2: Convert to fraction form
    758,819.52/1,138,083.03 = 353,899.98/x
  3. Step 3: Cross multiply
    758,819.52x = 1,138,083.03 × 353,899.98
  4. Step 4: Simplify right side
    758,819.52x = 402,767,561,555.34
  5. Step 5: Solve for x
    x = 402,767,561,555.34/758,819.52
  6. Step 6: Final answer
    x = 530,781.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.