Home / 886,828.15-1,223,822.79-478,930.02

Finding the Fourth Proportional to 886,828.15, 1,223,822.79 and 478,930.02

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Solution

The fourth proportional to 886,828.15, 1,223,822.79 and 478,930.02 is: 660,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,828.15 : 1,223,822.79 = 478,930.02 : x
  2. Step 2: Convert to fraction form
    886,828.15/1,223,822.79 = 478,930.02/x
  3. Step 3: Cross multiply
    886,828.15x = 1,223,822.79 × 478,930.02
  4. Step 4: Simplify right side
    886,828.15x = 586,125,468,701.82
  5. Step 5: Solve for x
    x = 586,125,468,701.82/886,828.15
  6. Step 6: Final answer
    x = 660,923.39

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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.