Home / 904,416.36-1,248,109.22-496,555.80

Finding the Fourth Proportional to 904,416.36, 1,248,109.22 and 496,555.80

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Solution

The fourth proportional to 904,416.36, 1,248,109.22 and 496,555.80 is: 685,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,416.36 : 1,248,109.22 = 496,555.80 : x
  2. Step 2: Convert to fraction form
    904,416.36/1,248,109.22 = 496,555.80/x
  3. Step 3: Cross multiply
    904,416.36x = 1,248,109.22 × 496,555.80
  4. Step 4: Simplify right side
    904,416.36x = 619,755,869,741.70
  5. Step 5: Solve for x
    x = 619,755,869,741.70/904,416.36
  6. Step 6: Final answer
    x = 685,255.04

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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.