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Finding the Fourth Proportional to 558,320.60, 770,444.52 and 303,666.32

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Solution

The fourth proportional to 558,320.60, 770,444.52 and 303,666.32 is: 419,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,320.60 : 770,444.52 = 303,666.32 : x
  2. Step 2: Convert to fraction form
    558,320.60/770,444.52 = 303,666.32/x
  3. Step 3: Cross multiply
    558,320.60x = 770,444.52 × 303,666.32
  4. Step 4: Simplify right side
    558,320.60x = 233,958,052,152.57
  5. Step 5: Solve for x
    x = 233,958,052,152.57/558,320.60
  6. Step 6: Final answer
    x = 419,038.90

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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.