Home / 785,008.94-1,083,453.72-462,700.22

Finding the Fourth Proportional to 785,008.94, 1,083,453.72 and 462,700.22

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Solution

The fourth proportional to 785,008.94, 1,083,453.72 and 462,700.22 is: 638,609.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,008.94 : 1,083,453.72 = 462,700.22 : x
  2. Step 2: Convert to fraction form
    785,008.94/1,083,453.72 = 462,700.22/x
  3. Step 3: Cross multiply
    785,008.94x = 1,083,453.72 × 462,700.22
  4. Step 4: Simplify right side
    785,008.94x = 501,314,274,603.82
  5. Step 5: Solve for x
    x = 501,314,274,603.82/785,008.94
  6. Step 6: Final answer
    x = 638,609.64

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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.