Home / 630,079.27-869,255.33-364,690.30

Finding the Fourth Proportional to 630,079.27, 869,255.33 and 364,690.30

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Solution

The fourth proportional to 630,079.27, 869,255.33 and 364,690.30 is: 503,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,079.27 : 869,255.33 = 364,690.30 : x
  2. Step 2: Convert to fraction form
    630,079.27/869,255.33 = 364,690.30/x
  3. Step 3: Cross multiply
    630,079.27x = 869,255.33 × 364,690.30
  4. Step 4: Simplify right side
    630,079.27x = 317,008,985,812.89
  5. Step 5: Solve for x
    x = 317,008,985,812.89/630,079.27
  6. Step 6: Final answer
    x = 503,125.56

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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.