Home / 532,510.20-734,868.15-303,085.09

Finding the Fourth Proportional to 532,510.20, 734,868.15 and 303,085.09

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Solution

The fourth proportional to 532,510.20, 734,868.15 and 303,085.09 is: 418,259.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,510.20 : 734,868.15 = 303,085.09 : x
  2. Step 2: Convert to fraction form
    532,510.20/734,868.15 = 303,085.09/x
  3. Step 3: Cross multiply
    532,510.20x = 734,868.15 × 303,085.09
  4. Step 4: Simplify right side
    532,510.20x = 222,727,579,162.90
  5. Step 5: Solve for x
    x = 222,727,579,162.90/532,510.20
  6. Step 6: Final answer
    x = 418,259.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.