Home / 649,288.95-973,933.43-425,340.15

Finding the Fourth Proportional to 649,288.95, 973,933.43 and 425,340.15

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Solution

The fourth proportional to 649,288.95, 973,933.43 and 425,340.15 is: 638,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,288.95 : 973,933.43 = 425,340.15 : x
  2. Step 2: Convert to fraction form
    649,288.95/973,933.43 = 425,340.15/x
  3. Step 3: Cross multiply
    649,288.95x = 973,933.43 × 425,340.15
  4. Step 4: Simplify right side
    649,288.95x = 414,252,989,079.51
  5. Step 5: Solve for x
    x = 414,252,989,079.51/649,288.95
  6. Step 6: Final answer
    x = 638,010.23

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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.