Home / 754,826.90-1,041,669.38-410,664.78

Finding the Fourth Proportional to 754,826.90, 1,041,669.38 and 410,664.78

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Solution

The fourth proportional to 754,826.90, 1,041,669.38 and 410,664.78 is: 566,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,826.90 : 1,041,669.38 = 410,664.78 : x
  2. Step 2: Convert to fraction form
    754,826.90/1,041,669.38 = 410,664.78/x
  3. Step 3: Cross multiply
    754,826.90x = 1,041,669.38 × 410,664.78
  4. Step 4: Simplify right side
    754,826.90x = 427,776,927,797.10
  5. Step 5: Solve for x
    x = 427,776,927,797.10/754,826.90
  6. Step 6: Final answer
    x = 566,721.89

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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.