Home / 570,548.54-787,381.58-315,899.73

Finding the Fourth Proportional to 570,548.54, 787,381.58 and 315,899.73

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Solution

The fourth proportional to 570,548.54, 787,381.58 and 315,899.73 is: 435,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,548.54 : 787,381.58 = 315,899.73 : x
  2. Step 2: Convert to fraction form
    570,548.54/787,381.58 = 315,899.73/x
  3. Step 3: Cross multiply
    570,548.54x = 787,381.58 × 315,899.73
  4. Step 4: Simplify right side
    570,548.54x = 248,733,629,318.72
  5. Step 5: Solve for x
    x = 248,733,629,318.72/570,548.54
  6. Step 6: Final answer
    x = 435,955.24

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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.