Home / 771,264.22-1,155,389.73-531,335.74

Finding the Fourth Proportional to 771,264.22, 1,155,389.73 and 531,335.74

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Solution

The fourth proportional to 771,264.22, 1,155,389.73 and 531,335.74 is: 795,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,264.22 : 1,155,389.73 = 531,335.74 : x
  2. Step 2: Convert to fraction form
    771,264.22/1,155,389.73 = 531,335.74/x
  3. Step 3: Cross multiply
    771,264.22x = 1,155,389.73 × 531,335.74
  4. Step 4: Simplify right side
    771,264.22x = 613,899,852,296.97
  5. Step 5: Solve for x
    x = 613,899,852,296.97/771,264.22
  6. Step 6: Final answer
    x = 795,965.69

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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.