Home / 831,841.47-1,247,762.43-232,890.87

Finding the Fourth Proportional to 831,841.47, 1,247,762.43 and 232,890.87

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Solution

The fourth proportional to 831,841.47, 1,247,762.43 and 232,890.87 is: 349,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,841.47 : 1,247,762.43 = 232,890.87 : x
  2. Step 2: Convert to fraction form
    831,841.47/1,247,762.43 = 232,890.87/x
  3. Step 3: Cross multiply
    831,841.47x = 1,247,762.43 × 232,890.87
  4. Step 4: Simplify right side
    831,841.47x = 290,592,477,876.01
  5. Step 5: Solve for x
    x = 290,592,477,876.01/831,841.47
  6. Step 6: Final answer
    x = 349,336.37

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1.5x scale

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.