Home / 630,223.02-869,719.50-343,753.38

Finding the Fourth Proportional to 630,223.02, 869,719.50 and 343,753.38

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Solution

The fourth proportional to 630,223.02, 869,719.50 and 343,753.38 is: 474,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,223.02 : 869,719.50 = 343,753.38 : x
  2. Step 2: Convert to fraction form
    630,223.02/869,719.50 = 343,753.38/x
  3. Step 3: Cross multiply
    630,223.02x = 869,719.50 × 343,753.38
  4. Step 4: Simplify right side
    630,223.02x = 298,969,017,776.91
  5. Step 5: Solve for x
    x = 298,969,017,776.91/630,223.02
  6. Step 6: Final answer
    x = 474,386.06

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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.