Home / 718,586.02-1,077,695.11-213,028.77

Finding the Fourth Proportional to 718,586.02, 1,077,695.11 and 213,028.77

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Solution

The fourth proportional to 718,586.02, 1,077,695.11 and 213,028.77 is: 319,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,586.02 : 1,077,695.11 = 213,028.77 : x
  2. Step 2: Convert to fraction form
    718,586.02/1,077,695.11 = 213,028.77/x
  3. Step 3: Cross multiply
    718,586.02x = 1,077,695.11 × 213,028.77
  4. Step 4: Simplify right side
    718,586.02x = 229,580,063,718.32
  5. Step 5: Solve for x
    x = 229,580,063,718.32/718,586.02
  6. Step 6: Final answer
    x = 319,488.63

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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.