Home / 779,178.19-1,169,485.75-395,196.55

Finding the Fourth Proportional to 779,178.19, 1,169,485.75 and 395,196.55

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Solution

The fourth proportional to 779,178.19, 1,169,485.75 and 395,196.55 is: 593,159.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,178.19 : 1,169,485.75 = 395,196.55 : x
  2. Step 2: Convert to fraction form
    779,178.19/1,169,485.75 = 395,196.55/x
  3. Step 3: Cross multiply
    779,178.19x = 1,169,485.75 × 395,196.55
  4. Step 4: Simplify right side
    779,178.19x = 462,176,735,599.82
  5. Step 5: Solve for x
    x = 462,176,735,599.82/779,178.19
  6. Step 6: Final answer
    x = 593,159.23

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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.