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Finding the Fourth Proportional to 383,047.80, 573,210.90 and 333,670.20

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Solution

The fourth proportional to 383,047.80, 573,210.90 and 333,670.20 is: 499,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,047.80 : 573,210.90 = 333,670.20 : x
  2. Step 2: Convert to fraction form
    383,047.80/573,210.90 = 333,670.20/x
  3. Step 3: Cross multiply
    383,047.80x = 573,210.90 × 333,670.20
  4. Step 4: Simplify right side
    383,047.80x = 191,263,395,645.18
  5. Step 5: Solve for x
    x = 191,263,395,645.18/383,047.80
  6. Step 6: Final answer
    x = 499,319.92

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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.