Home / 668,721.08-922,834.98-382,247.31

Finding the Fourth Proportional to 668,721.08, 922,834.98 and 382,247.31

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Solution

The fourth proportional to 668,721.08, 922,834.98 and 382,247.31 is: 527,501.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,721.08 : 922,834.98 = 382,247.31 : x
  2. Step 2: Convert to fraction form
    668,721.08/922,834.98 = 382,247.31/x
  3. Step 3: Cross multiply
    668,721.08x = 922,834.98 × 382,247.31
  4. Step 4: Simplify right side
    668,721.08x = 352,751,188,678.90
  5. Step 5: Solve for x
    x = 352,751,188,678.90/668,721.08
  6. Step 6: Final answer
    x = 527,501.23

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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.