Home / 739,422.94-1,020,155.52-603,221.44

Finding the Fourth Proportional to 739,422.94, 1,020,155.52 and 603,221.44

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Solution

The fourth proportional to 739,422.94, 1,020,155.52 and 603,221.44 is: 832,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,422.94 : 1,020,155.52 = 603,221.44 : x
  2. Step 2: Convert to fraction form
    739,422.94/1,020,155.52 = 603,221.44/x
  3. Step 3: Cross multiply
    739,422.94x = 1,020,155.52 × 603,221.44
  4. Step 4: Simplify right side
    739,422.94x = 615,379,681,798.35
  5. Step 5: Solve for x
    x = 615,379,681,798.35/739,422.94
  6. Step 6: Final answer
    x = 832,243.16

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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.