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Finding the Fourth Proportional to 529,868.84, 731,238.27 and 303,558.08

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Solution

The fourth proportional to 529,868.84, 731,238.27 and 303,558.08 is: 418,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,868.84 : 731,238.27 = 303,558.08 : x
  2. Step 2: Convert to fraction form
    529,868.84/731,238.27 = 303,558.08/x
  3. Step 3: Cross multiply
    529,868.84x = 731,238.27 × 303,558.08
  4. Step 4: Simplify right side
    529,868.84x = 221,973,281,607.53
  5. Step 5: Solve for x
    x = 221,973,281,607.53/529,868.84
  6. Step 6: Final answer
    x = 418,921.19

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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.