Home / 714,692.24-1,078,522.94-690,897.68

Finding the Fourth Proportional to 714,692.24, 1,078,522.94 and 690,897.68

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Solution

The fourth proportional to 714,692.24, 1,078,522.94 and 690,897.68 is: 1,042,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,692.24 : 1,078,522.94 = 690,897.68 : x
  2. Step 2: Convert to fraction form
    714,692.24/1,078,522.94 = 690,897.68/x
  3. Step 3: Cross multiply
    714,692.24x = 1,078,522.94 × 690,897.68
  4. Step 4: Simplify right side
    714,692.24x = 745,148,997,072.78
  5. Step 5: Solve for x
    x = 745,148,997,072.78/714,692.24
  6. Step 6: Final answer
    x = 1,042,615.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.