Home / 740,801.08-1,022,304.54-401,270.68

Finding the Fourth Proportional to 740,801.08, 1,022,304.54 and 401,270.68

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Solution

The fourth proportional to 740,801.08, 1,022,304.54 and 401,270.68 is: 553,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,801.08 : 1,022,304.54 = 401,270.68 : x
  2. Step 2: Convert to fraction form
    740,801.08/1,022,304.54 = 401,270.68/x
  3. Step 3: Cross multiply
    740,801.08x = 1,022,304.54 × 401,270.68
  4. Step 4: Simplify right side
    740,801.08x = 410,220,837,932.89
  5. Step 5: Solve for x
    x = 410,220,837,932.89/740,801.08
  6. Step 6: Final answer
    x = 553,753.02

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Half scale
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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.