Home / 603,465.29-905,862.69-509,856.22

Finding the Fourth Proportional to 603,465.29, 905,862.69 and 509,856.22

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Solution

The fourth proportional to 603,465.29, 905,862.69 and 509,856.22 is: 765,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,465.29 : 905,862.69 = 509,856.22 : x
  2. Step 2: Convert to fraction form
    603,465.29/905,862.69 = 509,856.22/x
  3. Step 3: Cross multiply
    603,465.29x = 905,862.69 × 509,856.22
  4. Step 4: Simplify right side
    603,465.29x = 461,859,728,094.76
  5. Step 5: Solve for x
    x = 461,859,728,094.76/603,465.29
  6. Step 6: Final answer
    x = 765,345.97

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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.