Home / 630,239.86-869,733.71-343,766.10

Finding the Fourth Proportional to 630,239.86, 869,733.71 and 343,766.10

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Solution

The fourth proportional to 630,239.86, 869,733.71 and 343,766.10 is: 474,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,239.86 : 869,733.71 = 343,766.10 : x
  2. Step 2: Convert to fraction form
    630,239.86/869,733.71 = 343,766.10/x
  3. Step 3: Cross multiply
    630,239.86x = 869,733.71 × 343,766.10
  4. Step 4: Simplify right side
    630,239.86x = 298,984,965,525.23
  5. Step 5: Solve for x
    x = 298,984,965,525.23/630,239.86
  6. Step 6: Final answer
    x = 474,398.69

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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.