Home / 767,651.46-1,059,355.92-423,508.78

Finding the Fourth Proportional to 767,651.46, 1,059,355.92 and 423,508.78

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Solution

The fourth proportional to 767,651.46, 1,059,355.92 and 423,508.78 is: 584,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,651.46 : 1,059,355.92 = 423,508.78 : x
  2. Step 2: Convert to fraction form
    767,651.46/1,059,355.92 = 423,508.78/x
  3. Step 3: Cross multiply
    767,651.46x = 1,059,355.92 × 423,508.78
  4. Step 4: Simplify right side
    767,651.46x = 448,646,533,264.98
  5. Step 5: Solve for x
    x = 448,646,533,264.98/767,651.46
  6. Step 6: Final answer
    x = 584,440.41

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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.