Home / 771,786.68-1,064,726.35-465,692.33

Finding the Fourth Proportional to 771,786.68, 1,064,726.35 and 465,692.33

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Solution

The fourth proportional to 771,786.68, 1,064,726.35 and 465,692.33 is: 642,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,786.68 : 1,064,726.35 = 465,692.33 : x
  2. Step 2: Convert to fraction form
    771,786.68/1,064,726.35 = 465,692.33/x
  3. Step 3: Cross multiply
    771,786.68x = 1,064,726.35 × 465,692.33
  4. Step 4: Simplify right side
    771,786.68x = 495,834,894,743.90
  5. Step 5: Solve for x
    x = 495,834,894,743.90/771,786.68
  6. Step 6: Final answer
    x = 642,450.70

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Double scale
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1.5x scale

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.