Home / 904,918.36-1,248,802.38-497,057.94

Finding the Fourth Proportional to 904,918.36, 1,248,802.38 and 497,057.94

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Solution

The fourth proportional to 904,918.36, 1,248,802.38 and 497,057.94 is: 685,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,918.36 : 1,248,802.38 = 497,057.94 : x
  2. Step 2: Convert to fraction form
    904,918.36/1,248,802.38 = 497,057.94/x
  3. Step 3: Cross multiply
    904,918.36x = 1,248,802.38 × 497,057.94
  4. Step 4: Simplify right side
    904,918.36x = 620,727,138,469.90
  5. Step 5: Solve for x
    x = 620,727,138,469.90/904,918.36
  6. Step 6: Final answer
    x = 685,948.22

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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.