Home / 816,066.90-1,224,099.41-283,587.98

Finding the Fourth Proportional to 816,066.90, 1,224,099.41 and 283,587.98

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Solution

The fourth proportional to 816,066.90, 1,224,099.41 and 283,587.98 is: 425,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,066.90 : 1,224,099.41 = 283,587.98 : x
  2. Step 2: Convert to fraction form
    816,066.90/1,224,099.41 = 283,587.98/x
  3. Step 3: Cross multiply
    816,066.90x = 1,224,099.41 × 283,587.98
  4. Step 4: Simplify right side
    816,066.90x = 347,139,871,462.66
  5. Step 5: Solve for x
    x = 347,139,871,462.66/816,066.90
  6. Step 6: Final answer
    x = 425,381.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.