Home / 680,569.13-1,019,730.42-395,459.37

Finding the Fourth Proportional to 680,569.13, 1,019,730.42 and 395,459.37

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Solution

The fourth proportional to 680,569.13, 1,019,730.42 and 395,459.37 is: 592,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,569.13 : 1,019,730.42 = 395,459.37 : x
  2. Step 2: Convert to fraction form
    680,569.13/1,019,730.42 = 395,459.37/x
  3. Step 3: Cross multiply
    680,569.13x = 1,019,730.42 × 395,459.37
  4. Step 4: Simplify right side
    680,569.13x = 403,261,949,463.04
  5. Step 5: Solve for x
    x = 403,261,949,463.04/680,569.13
  6. Step 6: Final answer
    x = 592,536.35

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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.