Home / 754,562.55-1,040,768.68-512,424.39

Finding the Fourth Proportional to 754,562.55, 1,040,768.68 and 512,424.39

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Solution

The fourth proportional to 754,562.55, 1,040,768.68 and 512,424.39 is: 706,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,562.55 : 1,040,768.68 = 512,424.39 : x
  2. Step 2: Convert to fraction form
    754,562.55/1,040,768.68 = 512,424.39/x
  3. Step 3: Cross multiply
    754,562.55x = 1,040,768.68 × 512,424.39
  4. Step 4: Simplify right side
    754,562.55x = 533,315,255,980.11
  5. Step 5: Solve for x
    x = 533,315,255,980.11/754,562.55
  6. Step 6: Final answer
    x = 706,787.34

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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.