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Finding the Fourth Proportional to 558,547.76, 770,772.88 and 303,899.96

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Solution

The fourth proportional to 558,547.76, 770,772.88 and 303,899.96 is: 419,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,547.76 : 770,772.88 = 303,899.96 : x
  2. Step 2: Convert to fraction form
    558,547.76/770,772.88 = 303,899.96/x
  3. Step 3: Cross multiply
    558,547.76x = 770,772.88 × 303,899.96
  4. Step 4: Simplify right side
    558,547.76x = 234,237,847,401.09
  5. Step 5: Solve for x
    x = 234,237,847,401.09/558,547.76
  6. Step 6: Final answer
    x = 419,369.42

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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.