Home / 687,296.24-948,423.23-381,353.23

Finding the Fourth Proportional to 687,296.24, 948,423.23 and 381,353.23

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Solution

The fourth proportional to 687,296.24, 948,423.23 and 381,353.23 is: 526,242.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,296.24 : 948,423.23 = 381,353.23 : x
  2. Step 2: Convert to fraction form
    687,296.24/948,423.23 = 381,353.23/x
  3. Step 3: Cross multiply
    687,296.24x = 948,423.23 × 381,353.23
  4. Step 4: Simplify right side
    687,296.24x = 361,684,257,425.42
  5. Step 5: Solve for x
    x = 361,684,257,425.42/687,296.24
  6. Step 6: Final answer
    x = 526,242.16

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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.