Home / 834,239.79-1,150,639.43-547,655.31

Finding the Fourth Proportional to 834,239.79, 1,150,639.43 and 547,655.31

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Solution

The fourth proportional to 834,239.79, 1,150,639.43 and 547,655.31 is: 755,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,239.79 : 1,150,639.43 = 547,655.31 : x
  2. Step 2: Convert to fraction form
    834,239.79/1,150,639.43 = 547,655.31/x
  3. Step 3: Cross multiply
    834,239.79x = 1,150,639.43 × 547,655.31
  4. Step 4: Simplify right side
    834,239.79x = 630,153,790,996.60
  5. Step 5: Solve for x
    x = 630,153,790,996.60/834,239.79
  6. Step 6: Final answer
    x = 755,362.90

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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.