Home / 831,535.81-1,147,513.84-468,962.80

Finding the Fourth Proportional to 831,535.81, 1,147,513.84 and 468,962.80

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Solution

The fourth proportional to 831,535.81, 1,147,513.84 and 468,962.80 is: 647,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,535.81 : 1,147,513.84 = 468,962.80 : x
  2. Step 2: Convert to fraction form
    831,535.81/1,147,513.84 = 468,962.80/x
  3. Step 3: Cross multiply
    831,535.81x = 1,147,513.84 × 468,962.80
  4. Step 4: Simplify right side
    831,535.81x = 538,141,299,403.96
  5. Step 5: Solve for x
    x = 538,141,299,403.96/831,535.81
  6. Step 6: Final answer
    x = 647,165.52

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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.