Home / 644,925.16-890,015.07-372,967.12

Finding the Fourth Proportional to 644,925.16, 890,015.07 and 372,967.12

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Solution

The fourth proportional to 644,925.16, 890,015.07 and 372,967.12 is: 514,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,925.16 : 890,015.07 = 372,967.12 : x
  2. Step 2: Convert to fraction form
    644,925.16/890,015.07 = 372,967.12/x
  3. Step 3: Cross multiply
    644,925.16x = 890,015.07 × 372,967.12
  4. Step 4: Simplify right side
    644,925.16x = 331,946,357,414.50
  5. Step 5: Solve for x
    x = 331,946,357,414.50/644,925.16
  6. Step 6: Final answer
    x = 514,705.24

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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.