Home / 771,786.84-1,064,726.57-465,692.50

Finding the Fourth Proportional to 771,786.84, 1,064,726.57 and 465,692.50

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Solution

The fourth proportional to 771,786.84, 1,064,726.57 and 465,692.50 is: 642,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,786.84 : 1,064,726.57 = 465,692.50 : x
  2. Step 2: Convert to fraction form
    771,786.84/1,064,726.57 = 465,692.50/x
  3. Step 3: Cross multiply
    771,786.84x = 1,064,726.57 × 465,692.50
  4. Step 4: Simplify right side
    771,786.84x = 495,835,178,199.73
  5. Step 5: Solve for x
    x = 495,835,178,199.73/771,786.84
  6. Step 6: Final answer
    x = 642,450.94

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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.