Home / 779,172.12-1,169,476.63-395,190.47

Finding the Fourth Proportional to 779,172.12, 1,169,476.63 and 395,190.47

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Solution

The fourth proportional to 779,172.12, 1,169,476.63 and 395,190.47 is: 593,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,172.12 : 1,169,476.63 = 395,190.47 : x
  2. Step 2: Convert to fraction form
    779,172.12/1,169,476.63 = 395,190.47/x
  3. Step 3: Cross multiply
    779,172.12x = 1,169,476.63 × 395,190.47
  4. Step 4: Simplify right side
    779,172.12x = 462,166,012,228.36
  5. Step 5: Solve for x
    x = 462,166,012,228.36/779,172.12
  6. Step 6: Final answer
    x = 593,150.09

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1.5x scale

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.