Home / 831,795.81-1,148,172.36-492,263.25

Finding the Fourth Proportional to 831,795.81, 1,148,172.36 and 492,263.25

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Solution

The fourth proportional to 831,795.81, 1,148,172.36 and 492,263.25 is: 679,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,795.81 : 1,148,172.36 = 492,263.25 : x
  2. Step 2: Convert to fraction form
    831,795.81/1,148,172.36 = 492,263.25/x
  3. Step 3: Cross multiply
    831,795.81x = 1,148,172.36 × 492,263.25
  4. Step 4: Simplify right side
    831,795.81x = 565,203,057,493.77
  5. Step 5: Solve for x
    x = 565,203,057,493.77/831,795.81
  6. Step 6: Final answer
    x = 679,497.36

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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.