Home / 904,490.08-1,248,140.37-496,589.63

Finding the Fourth Proportional to 904,490.08, 1,248,140.37 and 496,589.63

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Solution

The fourth proportional to 904,490.08, 1,248,140.37 and 496,589.63 is: 685,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,490.08 : 1,248,140.37 = 496,589.63 : x
  2. Step 2: Convert to fraction form
    904,490.08/1,248,140.37 = 496,589.63/x
  3. Step 3: Cross multiply
    904,490.08x = 1,248,140.37 × 496,589.63
  4. Step 4: Simplify right side
    904,490.08x = 619,813,560,147.87
  5. Step 5: Solve for x
    x = 619,813,560,147.87/904,490.08
  6. Step 6: Final answer
    x = 685,262.97

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Double scale
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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.