Home / 718,587.02-1,077,696.61-213,029.77

Finding the Fourth Proportional to 718,587.02, 1,077,696.61 and 213,029.77

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Solution

The fourth proportional to 718,587.02, 1,077,696.61 and 213,029.77 is: 319,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,587.02 : 1,077,696.61 = 213,029.77 : x
  2. Step 2: Convert to fraction form
    718,587.02/1,077,696.61 = 213,029.77/x
  3. Step 3: Cross multiply
    718,587.02x = 1,077,696.61 × 213,029.77
  4. Step 4: Simplify right side
    718,587.02x = 229,581,460,958.08
  5. Step 5: Solve for x
    x = 229,581,460,958.08/718,587.02
  6. Step 6: Final answer
    x = 319,490.13

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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.