Home / 630,045.96-869,484.42-343,581.72

Finding the Fourth Proportional to 630,045.96, 869,484.42 and 343,581.72

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Solution

The fourth proportional to 630,045.96, 869,484.42 and 343,581.72 is: 474,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,045.96 : 869,484.42 = 343,581.72 : x
  2. Step 2: Convert to fraction form
    630,045.96/869,484.42 = 343,581.72/x
  3. Step 3: Cross multiply
    630,045.96x = 869,484.42 × 343,581.72
  4. Step 4: Simplify right side
    630,045.96x = 298,738,952,536.80
  5. Step 5: Solve for x
    x = 298,738,952,536.80/630,045.96
  6. Step 6: Final answer
    x = 474,154.22

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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.