Home / 994,105.14-1,371,903.93-564,425.25

Finding the Fourth Proportional to 994,105.14, 1,371,903.93 and 564,425.25

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Solution

The fourth proportional to 994,105.14, 1,371,903.93 and 564,425.25 is: 778,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,105.14 : 1,371,903.93 = 564,425.25 : x
  2. Step 2: Convert to fraction form
    994,105.14/1,371,903.93 = 564,425.25/x
  3. Step 3: Cross multiply
    994,105.14x = 1,371,903.93 × 564,425.25
  4. Step 4: Simplify right side
    994,105.14x = 774,337,218,666.23
  5. Step 5: Solve for x
    x = 774,337,218,666.23/994,105.14
  6. Step 6: Final answer
    x = 778,928.90

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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.