Home / 662,324.40-992,929.32-288,065.52

Finding the Fourth Proportional to 662,324.40, 992,929.32 and 288,065.52

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Solution

The fourth proportional to 662,324.40, 992,929.32 and 288,065.52 is: 431,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,324.40 : 992,929.32 = 288,065.52 : x
  2. Step 2: Convert to fraction form
    662,324.40/992,929.32 = 288,065.52/x
  3. Step 3: Cross multiply
    662,324.40x = 992,929.32 × 288,065.52
  4. Step 4: Simplify right side
    662,324.40x = 286,028,700,889.05
  5. Step 5: Solve for x
    x = 286,028,700,889.05/662,324.40
  6. Step 6: Final answer
    x = 431,855.90

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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.