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Finding the Fourth Proportional to 533,346.61, 736,011.12 and 303,917.46

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Solution

The fourth proportional to 533,346.61, 736,011.12 and 303,917.46 is: 419,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,346.61 : 736,011.12 = 303,917.46 : x
  2. Step 2: Convert to fraction form
    533,346.61/736,011.12 = 303,917.46/x
  3. Step 3: Cross multiply
    533,346.61x = 736,011.12 × 303,917.46
  4. Step 4: Simplify right side
    533,346.61x = 223,686,630,122.16
  5. Step 5: Solve for x
    x = 223,686,630,122.16/533,346.61
  6. Step 6: Final answer
    x = 419,401.99

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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.