Home / 779,957.02-1,169,930.13-218,992.06

Finding the Fourth Proportional to 779,957.02, 1,169,930.13 and 218,992.06

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Solution

The fourth proportional to 779,957.02, 1,169,930.13 and 218,992.06 is: 328,486.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,957.02 : 1,169,930.13 = 218,992.06 : x
  2. Step 2: Convert to fraction form
    779,957.02/1,169,930.13 = 218,992.06/x
  3. Step 3: Cross multiply
    779,957.02x = 1,169,930.13 × 218,992.06
  4. Step 4: Simplify right side
    779,957.02x = 256,205,409,224.77
  5. Step 5: Solve for x
    x = 256,205,409,224.77/779,957.02
  6. Step 6: Final answer
    x = 328,486.57

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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.