Home / 783,058.07-1,080,649.77-438,900.29

Finding the Fourth Proportional to 783,058.07, 1,080,649.77 and 438,900.29

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Solution

The fourth proportional to 783,058.07, 1,080,649.77 and 438,900.29 is: 605,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,058.07 : 1,080,649.77 = 438,900.29 : x
  2. Step 2: Convert to fraction form
    783,058.07/1,080,649.77 = 438,900.29/x
  3. Step 3: Cross multiply
    783,058.07x = 1,080,649.77 × 438,900.29
  4. Step 4: Simplify right side
    783,058.07x = 474,297,496,913.56
  5. Step 5: Solve for x
    x = 474,297,496,913.56/783,058.07
  6. Step 6: Final answer
    x = 605,699.01

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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.