Home / 625,743.96-863,462.75-384,036.72

Finding the Fourth Proportional to 625,743.96, 863,462.75 and 384,036.72

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Solution

The fourth proportional to 625,743.96, 863,462.75 and 384,036.72 is: 529,931.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,743.96 : 863,462.75 = 384,036.72 : x
  2. Step 2: Convert to fraction form
    625,743.96/863,462.75 = 384,036.72/x
  3. Step 3: Cross multiply
    625,743.96x = 863,462.75 × 384,036.72
  4. Step 4: Simplify right side
    625,743.96x = 331,601,400,432.00
  5. Step 5: Solve for x
    x = 331,601,400,432.00/625,743.96
  6. Step 6: Final answer
    x = 529,931.44

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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.