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Finding the Fourth Proportional to 480,499.49, 662,270.51 and 439,775.57

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Solution

The fourth proportional to 480,499.49, 662,270.51 and 439,775.57 is: 606,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,499.49 : 662,270.51 = 439,775.57 : x
  2. Step 2: Convert to fraction form
    480,499.49/662,270.51 = 439,775.57/x
  3. Step 3: Cross multiply
    480,499.49x = 662,270.51 × 439,775.57
  4. Step 4: Simplify right side
    480,499.49x = 291,250,393,784.56
  5. Step 5: Solve for x
    x = 291,250,393,784.56/480,499.49
  6. Step 6: Final answer
    x = 606,140.90

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1.5x scale

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.