Home / 846,076.80-1,268,274.24-424,064.64

Finding the Fourth Proportional to 846,076.80, 1,268,274.24 and 424,064.64

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Solution

The fourth proportional to 846,076.80, 1,268,274.24 and 424,064.64 is: 635,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,076.80 : 1,268,274.24 = 424,064.64 : x
  2. Step 2: Convert to fraction form
    846,076.80/1,268,274.24 = 424,064.64/x
  3. Step 3: Cross multiply
    846,076.80x = 1,268,274.24 × 424,064.64
  4. Step 4: Simplify right side
    846,076.80x = 537,830,259,006.87
  5. Step 5: Solve for x
    x = 537,830,259,006.87/846,076.80
  6. Step 6: Final answer
    x = 635,675.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.