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Finding the Fourth Proportional to 637,083.72, 956,216.86 and 321,762.04

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Solution

The fourth proportional to 637,083.72, 956,216.86 and 321,762.04 is: 482,941.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,083.72 : 956,216.86 = 321,762.04 : x
  2. Step 2: Convert to fraction form
    637,083.72/956,216.86 = 321,762.04/x
  3. Step 3: Cross multiply
    637,083.72x = 956,216.86 × 321,762.04
  4. Step 4: Simplify right side
    637,083.72x = 307,674,287,555.99
  5. Step 5: Solve for x
    x = 307,674,287,555.99/637,083.72
  6. Step 6: Final answer
    x = 482,941.69

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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.