Home / 778,675.02-1,168,013.61-217,708.98

Finding the Fourth Proportional to 778,675.02, 1,168,013.61 and 217,708.98

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Solution

The fourth proportional to 778,675.02, 1,168,013.61 and 217,708.98 is: 326,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,675.02 : 1,168,013.61 = 217,708.98 : x
  2. Step 2: Convert to fraction form
    778,675.02/1,168,013.61 = 217,708.98/x
  3. Step 3: Cross multiply
    778,675.02x = 1,168,013.61 × 217,708.98
  4. Step 4: Simplify right side
    778,675.02x = 254,287,051,659.22
  5. Step 5: Solve for x
    x = 254,287,051,659.22/778,675.02
  6. Step 6: Final answer
    x = 326,563.77

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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.