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Finding the Fourth Proportional to 483,205.70, 724,117.35 and 335,288.90

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Solution

The fourth proportional to 483,205.70, 724,117.35 and 335,288.90 is: 502,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,205.70 : 724,117.35 = 335,288.90 : x
  2. Step 2: Convert to fraction form
    483,205.70/724,117.35 = 335,288.90/x
  3. Step 3: Cross multiply
    483,205.70x = 724,117.35 × 335,288.90
  4. Step 4: Simplify right side
    483,205.70x = 242,788,509,752.42
  5. Step 5: Solve for x
    x = 242,788,509,752.42/483,205.70
  6. Step 6: Final answer
    x = 502,453.74

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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.