Home / 630,375.68-869,901.22-343,895.69

Finding the Fourth Proportional to 630,375.68, 869,901.22 and 343,895.69

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Solution

The fourth proportional to 630,375.68, 869,901.22 and 343,895.69 is: 474,566.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,375.68 : 869,901.22 = 343,895.69 : x
  2. Step 2: Convert to fraction form
    630,375.68/869,901.22 = 343,895.69/x
  3. Step 3: Cross multiply
    630,375.68x = 869,901.22 × 343,895.69
  4. Step 4: Simplify right side
    630,375.68x = 299,155,282,888.36
  5. Step 5: Solve for x
    x = 299,155,282,888.36/630,375.68
  6. Step 6: Final answer
    x = 474,566.66

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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.