Home / 675,092.70-1,012,477.05-390,167.10

Finding the Fourth Proportional to 675,092.70, 1,012,477.05 and 390,167.10

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Solution

The fourth proportional to 675,092.70, 1,012,477.05 and 390,167.10 is: 585,157.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,092.70 : 1,012,477.05 = 390,167.10 : x
  2. Step 2: Convert to fraction form
    675,092.70/1,012,477.05 = 390,167.10/x
  3. Step 3: Cross multiply
    675,092.70x = 1,012,477.05 × 390,167.10
  4. Step 4: Simplify right side
    675,092.70x = 395,035,234,415.06
  5. Step 5: Solve for x
    x = 395,035,234,415.06/675,092.70
  6. Step 6: Final answer
    x = 585,157.02

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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.