Home / 904,498.56-1,248,202.50-496,607.70

Finding the Fourth Proportional to 904,498.56, 1,248,202.50 and 496,607.70

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Solution

The fourth proportional to 904,498.56, 1,248,202.50 and 496,607.70 is: 685,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,498.56 : 1,248,202.50 = 496,607.70 : x
  2. Step 2: Convert to fraction form
    904,498.56/1,248,202.50 = 496,607.70/x
  3. Step 3: Cross multiply
    904,498.56x = 1,248,202.50 × 496,607.70
  4. Step 4: Simplify right side
    904,498.56x = 619,866,972,659.25
  5. Step 5: Solve for x
    x = 619,866,972,659.25/904,498.56
  6. Step 6: Final answer
    x = 685,315.60

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Double scale
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Similar ratio
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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.