Home / 749,562.78-1,034,422.23-427,320.54

Finding the Fourth Proportional to 749,562.78, 1,034,422.23 and 427,320.54

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Solution

The fourth proportional to 749,562.78, 1,034,422.23 and 427,320.54 is: 589,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,562.78 : 1,034,422.23 = 427,320.54 : x
  2. Step 2: Convert to fraction form
    749,562.78/1,034,422.23 = 427,320.54/x
  3. Step 3: Cross multiply
    749,562.78x = 1,034,422.23 × 427,320.54
  4. Step 4: Simplify right side
    749,562.78x = 442,029,865,911.60
  5. Step 5: Solve for x
    x = 442,029,865,911.60/749,562.78
  6. Step 6: Final answer
    x = 589,716.94

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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.