Home / 831,204.48-1,147,004.64-468,641.28

Finding the Fourth Proportional to 831,204.48, 1,147,004.64 and 468,641.28

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Solution

The fourth proportional to 831,204.48, 1,147,004.64 and 468,641.28 is: 646,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,204.48 : 1,147,004.64 = 468,641.28 : x
  2. Step 2: Convert to fraction form
    831,204.48/1,147,004.64 = 468,641.28/x
  3. Step 3: Cross multiply
    831,204.48x = 1,147,004.64 × 468,641.28
  4. Step 4: Simplify right side
    831,204.48x = 537,533,722,655.54
  5. Step 5: Solve for x
    x = 537,533,722,655.54/831,204.48
  6. Step 6: Final answer
    x = 646,692.52

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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.