Home / 851,070.36-1,174,463.10-469,132.68

Finding the Fourth Proportional to 851,070.36, 1,174,463.10 and 469,132.68

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Solution

The fourth proportional to 851,070.36, 1,174,463.10 and 469,132.68 is: 647,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,070.36 : 1,174,463.10 = 469,132.68 : x
  2. Step 2: Convert to fraction form
    851,070.36/1,174,463.10 = 469,132.68/x
  3. Step 3: Cross multiply
    851,070.36x = 1,174,463.10 × 469,132.68
  4. Step 4: Simplify right side
    851,070.36x = 550,979,021,664.11
  5. Step 5: Solve for x
    x = 550,979,021,664.11/851,070.36
  6. Step 6: Final answer
    x = 647,395.38

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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.