Home / 994,109.64-1,371,910.14-564,429.78

Finding the Fourth Proportional to 994,109.64, 1,371,910.14 and 564,429.78

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Solution

The fourth proportional to 994,109.64, 1,371,910.14 and 564,429.78 is: 778,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,109.64 : 1,371,910.14 = 564,429.78 : x
  2. Step 2: Convert to fraction form
    994,109.64/1,371,910.14 = 564,429.78/x
  3. Step 3: Cross multiply
    994,109.64x = 1,371,910.14 × 564,429.78
  4. Step 4: Simplify right side
    994,109.64x = 774,346,938,499.97
  5. Step 5: Solve for x
    x = 774,346,938,499.97/994,109.64
  6. Step 6: Final answer
    x = 778,935.15

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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.