Home / 744,692.16-1,027,685.70-405,160.68

Finding the Fourth Proportional to 744,692.16, 1,027,685.70 and 405,160.68

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Solution

The fourth proportional to 744,692.16, 1,027,685.70 and 405,160.68 is: 559,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,692.16 : 1,027,685.70 = 405,160.68 : x
  2. Step 2: Convert to fraction form
    744,692.16/1,027,685.70 = 405,160.68/x
  3. Step 3: Cross multiply
    744,692.16x = 1,027,685.70 × 405,160.68
  4. Step 4: Simplify right side
    744,692.16x = 416,377,837,038.28
  5. Step 5: Solve for x
    x = 416,377,837,038.28/744,692.16
  6. Step 6: Final answer
    x = 559,127.46

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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.