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Finding the Fourth Proportional to 506,528.70, 759,793.05 and 483,200.70

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Solution

The fourth proportional to 506,528.70, 759,793.05 and 483,200.70 is: 724,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,528.70 : 759,793.05 = 483,200.70 : x
  2. Step 2: Convert to fraction form
    506,528.70/759,793.05 = 483,200.70/x
  3. Step 3: Cross multiply
    506,528.70x = 759,793.05 × 483,200.70
  4. Step 4: Simplify right side
    506,528.70x = 367,132,533,615.14
  5. Step 5: Solve for x
    x = 367,132,533,615.14/506,528.70
  6. Step 6: Final answer
    x = 724,801.05

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Double scale
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Similar ratio
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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.