Home / 993,345.66-1,490,240.61-362,259.47

Finding the Fourth Proportional to 993,345.66, 1,490,240.61 and 362,259.47

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Solution

The fourth proportional to 993,345.66, 1,490,240.61 and 362,259.47 is: 543,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,345.66 : 1,490,240.61 = 362,259.47 : x
  2. Step 2: Convert to fraction form
    993,345.66/1,490,240.61 = 362,259.47/x
  3. Step 3: Cross multiply
    993,345.66x = 1,490,240.61 × 362,259.47
  4. Step 4: Simplify right side
    993,345.66x = 539,853,770,329.80
  5. Step 5: Solve for x
    x = 539,853,770,329.80/993,345.66
  6. Step 6: Final answer
    x = 543,470.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.