Home / 630,079.52-869,255.68-364,690.55

Finding the Fourth Proportional to 630,079.52, 869,255.68 and 364,690.55

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Solution

The fourth proportional to 630,079.52, 869,255.68 and 364,690.55 is: 503,125.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,079.52 : 869,255.68 = 364,690.55 : x
  2. Step 2: Convert to fraction form
    630,079.52/869,255.68 = 364,690.55/x
  3. Step 3: Cross multiply
    630,079.52x = 869,255.68 × 364,690.55
  4. Step 4: Simplify right side
    630,079.52x = 317,009,332,029.82
  5. Step 5: Solve for x
    x = 317,009,332,029.82/630,079.52
  6. Step 6: Final answer
    x = 503,125.91

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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.