Home / 630,332.22-869,899.58-358,425.42

Finding the Fourth Proportional to 630,332.22, 869,899.58 and 358,425.42

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Solution

The fourth proportional to 630,332.22, 869,899.58 and 358,425.42 is: 494,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,332.22 : 869,899.58 = 358,425.42 : x
  2. Step 2: Convert to fraction form
    630,332.22/869,899.58 = 358,425.42/x
  3. Step 3: Cross multiply
    630,332.22x = 869,899.58 × 358,425.42
  4. Step 4: Simplify right side
    630,332.22x = 311,794,120,527.20
  5. Step 5: Solve for x
    x = 311,794,120,527.20/630,332.22
  6. Step 6: Final answer
    x = 494,650.46

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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.