Home / 772,294.30-1,158,409.86-322,899.82

Finding the Fourth Proportional to 772,294.30, 1,158,409.86 and 322,899.82

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Solution

The fourth proportional to 772,294.30, 1,158,409.86 and 322,899.82 is: 484,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,294.30 : 1,158,409.86 = 322,899.82 : x
  2. Step 2: Convert to fraction form
    772,294.30/1,158,409.86 = 322,899.82/x
  3. Step 3: Cross multiply
    772,294.30x = 1,158,409.86 × 322,899.82
  4. Step 4: Simplify right side
    772,294.30x = 374,050,335,280.23
  5. Step 5: Solve for x
    x = 374,050,335,280.23/772,294.30
  6. Step 6: Final answer
    x = 484,336.52

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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.