Home / 851,646.42-1,175,279.49-469,686.42

Finding the Fourth Proportional to 851,646.42, 1,175,279.49 and 469,686.42

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Solution

The fourth proportional to 851,646.42, 1,175,279.49 and 469,686.42 is: 648,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,646.42 : 1,175,279.49 = 469,686.42 : x
  2. Step 2: Convert to fraction form
    851,646.42/1,175,279.49 = 469,686.42/x
  3. Step 3: Cross multiply
    851,646.42x = 1,175,279.49 × 469,686.42
  4. Step 4: Simplify right side
    851,646.42x = 552,012,816,157.53
  5. Step 5: Solve for x
    x = 552,012,816,157.53/851,646.42
  6. Step 6: Final answer
    x = 648,171.36

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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.