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Finding the Fourth Proportional to 532,700.19, 734,943.93 and 303,200.06

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Solution

The fourth proportional to 532,700.19, 734,943.93 and 303,200.06 is: 418,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,700.19 : 734,943.93 = 303,200.06 : x
  2. Step 2: Convert to fraction form
    532,700.19/734,943.93 = 303,200.06/x
  3. Step 3: Cross multiply
    532,700.19x = 734,943.93 × 303,200.06
  4. Step 4: Simplify right side
    532,700.19x = 222,835,039,997.92
  5. Step 5: Solve for x
    x = 222,835,039,997.92/532,700.19
  6. Step 6: Final answer
    x = 418,312.30

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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.