Home / 739,041.67-1,019,805.35-428,896.02

Finding the Fourth Proportional to 739,041.67, 1,019,805.35 and 428,896.02

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Solution

The fourth proportional to 739,041.67, 1,019,805.35 and 428,896.02 is: 591,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,041.67 : 1,019,805.35 = 428,896.02 : x
  2. Step 2: Convert to fraction form
    739,041.67/1,019,805.35 = 428,896.02/x
  3. Step 3: Cross multiply
    739,041.67x = 1,019,805.35 × 428,896.02
  4. Step 4: Simplify right side
    739,041.67x = 437,390,455,789.71
  5. Step 5: Solve for x
    x = 437,390,455,789.71/739,041.67
  6. Step 6: Final answer
    x = 591,834.63

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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.