Home / 788,521.02-1,182,820.41-219,901.02

Finding the Fourth Proportional to 788,521.02, 1,182,820.41 and 219,901.02

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Solution

The fourth proportional to 788,521.02, 1,182,820.41 and 219,901.02 is: 329,862.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,521.02 : 1,182,820.41 = 219,901.02 : x
  2. Step 2: Convert to fraction form
    788,521.02/1,182,820.41 = 219,901.02/x
  3. Step 3: Cross multiply
    788,521.02x = 1,182,820.41 × 219,901.02
  4. Step 4: Simplify right side
    788,521.02x = 260,103,414,635.82
  5. Step 5: Solve for x
    x = 260,103,414,635.82/788,521.02
  6. Step 6: Final answer
    x = 329,862.37

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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.