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Finding the Fourth Proportional to 621,366.72, 932,210.46 and 284,246.34

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Solution

The fourth proportional to 621,366.72, 932,210.46 and 284,246.34 is: 426,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,366.72 : 932,210.46 = 284,246.34 : x
  2. Step 2: Convert to fraction form
    621,366.72/932,210.46 = 284,246.34/x
  3. Step 3: Cross multiply
    621,366.72x = 932,210.46 × 284,246.34
  4. Step 4: Simplify right side
    621,366.72x = 264,977,411,364.72
  5. Step 5: Solve for x
    x = 264,977,411,364.72/621,366.72
  6. Step 6: Final answer
    x = 426,442.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.