Home / 994,684.55-1,492,317.90-320,752.19

Finding the Fourth Proportional to 994,684.55, 1,492,317.90 and 320,752.19

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Solution

The fourth proportional to 994,684.55, 1,492,317.90 and 320,752.19 is: 481,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,684.55 : 1,492,317.90 = 320,752.19 : x
  2. Step 2: Convert to fraction form
    994,684.55/1,492,317.90 = 320,752.19/x
  3. Step 3: Cross multiply
    994,684.55x = 1,492,317.90 × 320,752.19
  4. Step 4: Simplify right side
    994,684.55x = 478,664,227,139.61
  5. Step 5: Solve for x
    x = 478,664,227,139.61/994,684.55
  6. Step 6: Final answer
    x = 481,222.14

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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.