Home / 455,532.20-683,298.30-433,759.40

Finding the Fourth Proportional to 455,532.20, 683,298.30 and 433,759.40

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Solution

The fourth proportional to 455,532.20, 683,298.30 and 433,759.40 is: 650,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,532.20 : 683,298.30 = 433,759.40 : x
  2. Step 2: Convert to fraction form
    455,532.20/683,298.30 = 433,759.40/x
  3. Step 3: Cross multiply
    455,532.20x = 683,298.30 × 433,759.40
  4. Step 4: Simplify right side
    455,532.20x = 296,387,060,629.02
  5. Step 5: Solve for x
    x = 296,387,060,629.02/455,532.20
  6. Step 6: Final answer
    x = 650,639.10

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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.