Home / 684,973.32-944,682.82-412,981.48

Finding the Fourth Proportional to 684,973.32, 944,682.82 and 412,981.48

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Solution

The fourth proportional to 684,973.32, 944,682.82 and 412,981.48 is: 569,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,973.32 : 944,682.82 = 412,981.48 : x
  2. Step 2: Convert to fraction form
    684,973.32/944,682.82 = 412,981.48/x
  3. Step 3: Cross multiply
    684,973.32x = 944,682.82 × 412,981.48
  4. Step 4: Simplify right side
    684,973.32x = 390,136,509,134.17
  5. Step 5: Solve for x
    x = 390,136,509,134.17/684,973.32
  6. Step 6: Final answer
    x = 569,564.53

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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.