Home / 760,496.80-1,140,313.26-310,691.05

Finding the Fourth Proportional to 760,496.80, 1,140,313.26 and 310,691.05

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Solution

The fourth proportional to 760,496.80, 1,140,313.26 and 310,691.05 is: 465,860.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,496.80 : 1,140,313.26 = 310,691.05 : x
  2. Step 2: Convert to fraction form
    760,496.80/1,140,313.26 = 310,691.05/x
  3. Step 3: Cross multiply
    760,496.80x = 1,140,313.26 × 310,691.05
  4. Step 4: Simplify right side
    760,496.80x = 354,285,124,078.32
  5. Step 5: Solve for x
    x = 354,285,124,078.32/760,496.80
  6. Step 6: Final answer
    x = 465,860.11

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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.