Home / 945,404.50-1,304,804.20-558,261.34

Finding the Fourth Proportional to 945,404.50, 1,304,804.20 and 558,261.34

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Solution

The fourth proportional to 945,404.50, 1,304,804.20 and 558,261.34 is: 770,486.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,404.50 : 1,304,804.20 = 558,261.34 : x
  2. Step 2: Convert to fraction form
    945,404.50/1,304,804.20 = 558,261.34/x
  3. Step 3: Cross multiply
    945,404.50x = 1,304,804.20 × 558,261.34
  4. Step 4: Simplify right side
    945,404.50x = 728,421,741,129.63
  5. Step 5: Solve for x
    x = 728,421,741,129.63/945,404.50
  6. Step 6: Final answer
    x = 770,486.86

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Double scale
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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.