Home / 630,045.46-869,483.73-343,581.22

Finding the Fourth Proportional to 630,045.46, 869,483.73 and 343,581.22

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Solution

The fourth proportional to 630,045.46, 869,483.73 and 343,581.22 is: 474,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,045.46 : 869,483.73 = 343,581.22 : x
  2. Step 2: Convert to fraction form
    630,045.46/869,483.73 = 343,581.22/x
  3. Step 3: Cross multiply
    630,045.46x = 869,483.73 × 343,581.22
  4. Step 4: Simplify right side
    630,045.46x = 298,738,280,723.55
  5. Step 5: Solve for x
    x = 298,738,280,723.55/630,045.46
  6. Step 6: Final answer
    x = 474,153.53

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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.