Home / 784,457.14-1,082,190.90-462,012.70

Finding the Fourth Proportional to 784,457.14, 1,082,190.90 and 462,012.70

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Solution

The fourth proportional to 784,457.14, 1,082,190.90 and 462,012.70 is: 637,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,457.14 : 1,082,190.90 = 462,012.70 : x
  2. Step 2: Convert to fraction form
    784,457.14/1,082,190.90 = 462,012.70/x
  3. Step 3: Cross multiply
    784,457.14x = 1,082,190.90 × 462,012.70
  4. Step 4: Simplify right side
    784,457.14x = 499,985,939,624.43
  5. Step 5: Solve for x
    x = 499,985,939,624.43/784,457.14
  6. Step 6: Final answer
    x = 637,365.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.