Home / 902,987.79-1,245,875.14-558,658.30

Finding the Fourth Proportional to 902,987.79, 1,245,875.14 and 558,658.30

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Solution

The fourth proportional to 902,987.79, 1,245,875.14 and 558,658.30 is: 770,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,987.79 : 1,245,875.14 = 558,658.30 : x
  2. Step 2: Convert to fraction form
    902,987.79/1,245,875.14 = 558,658.30/x
  3. Step 3: Cross multiply
    902,987.79x = 1,245,875.14 × 558,658.30
  4. Step 4: Simplify right side
    902,987.79x = 696,018,487,724.66
  5. Step 5: Solve for x
    x = 696,018,487,724.66/902,987.79
  6. Step 6: Final answer
    x = 770,795.02

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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.