Home / 683,333.70-1,025,000.55-459,384.90

Finding the Fourth Proportional to 683,333.70, 1,025,000.55 and 459,384.90

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Solution

The fourth proportional to 683,333.70, 1,025,000.55 and 459,384.90 is: 689,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,333.70 : 1,025,000.55 = 459,384.90 : x
  2. Step 2: Convert to fraction form
    683,333.70/1,025,000.55 = 459,384.90/x
  3. Step 3: Cross multiply
    683,333.70x = 1,025,000.55 × 459,384.90
  4. Step 4: Simplify right side
    683,333.70x = 470,869,775,161.70
  5. Step 5: Solve for x
    x = 470,869,775,161.70/683,333.70
  6. Step 6: Final answer
    x = 689,077.35

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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.