Home / 845,899.90-1,167,415.69-464,000.49

Finding the Fourth Proportional to 845,899.90, 1,167,415.69 and 464,000.49

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Solution

The fourth proportional to 845,899.90, 1,167,415.69 and 464,000.49 is: 640,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,899.90 : 1,167,415.69 = 464,000.49 : x
  2. Step 2: Convert to fraction form
    845,899.90/1,167,415.69 = 464,000.49/x
  3. Step 3: Cross multiply
    845,899.90x = 1,167,415.69 × 464,000.49
  4. Step 4: Simplify right side
    845,899.90x = 541,681,452,193.69
  5. Step 5: Solve for x
    x = 541,681,452,193.69/845,899.90
  6. Step 6: Final answer
    x = 640,361.17

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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.