Home / 858,931.63-1,286,434.61-409,967.64

Finding the Fourth Proportional to 858,931.63, 1,286,434.61 and 409,967.64

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Solution

The fourth proportional to 858,931.63, 1,286,434.61 and 409,967.64 is: 614,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,931.63 : 1,286,434.61 = 409,967.64 : x
  2. Step 2: Convert to fraction form
    858,931.63/1,286,434.61 = 409,967.64/x
  3. Step 3: Cross multiply
    858,931.63x = 1,286,434.61 × 409,967.64
  4. Step 4: Simplify right side
    858,931.63x = 527,396,561,076.02
  5. Step 5: Solve for x
    x = 527,396,561,076.02/858,931.63
  6. Step 6: Final answer
    x = 614,014.60

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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.