Home / 890,664.76-1,229,248.68-564,007.58

Finding the Fourth Proportional to 890,664.76, 1,229,248.68 and 564,007.58

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Solution

The fourth proportional to 890,664.76, 1,229,248.68 and 564,007.58 is: 778,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,664.76 : 1,229,248.68 = 564,007.58 : x
  2. Step 2: Convert to fraction form
    890,664.76/1,229,248.68 = 564,007.58/x
  3. Step 3: Cross multiply
    890,664.76x = 1,229,248.68 × 564,007.58
  4. Step 4: Simplify right side
    890,664.76x = 693,305,573,224.99
  5. Step 5: Solve for x
    x = 693,305,573,224.99/890,664.76
  6. Step 6: Final answer
    x = 778,413.61

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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.