Home / 460,520.55-630,915.34-443,262.38

Finding the Fourth Proportional to 460,520.55, 630,915.34 and 443,262.38

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Solution

The fourth proportional to 460,520.55, 630,915.34 and 443,262.38 is: 607,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,520.55 : 630,915.34 = 443,262.38 : x
  2. Step 2: Convert to fraction form
    460,520.55/630,915.34 = 443,262.38/x
  3. Step 3: Cross multiply
    460,520.55x = 630,915.34 × 443,262.38
  4. Step 4: Simplify right side
    460,520.55x = 279,661,035,186.91
  5. Step 5: Solve for x
    x = 279,661,035,186.91/460,520.55
  6. Step 6: Final answer
    x = 607,271.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.