Home / 784,276.98-1,082,534.05-462,091.18

Finding the Fourth Proportional to 784,276.98, 1,082,534.05 and 462,091.18

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Solution

The fourth proportional to 784,276.98, 1,082,534.05 and 462,091.18 is: 637,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,276.98 : 1,082,534.05 = 462,091.18 : x
  2. Step 2: Convert to fraction form
    784,276.98/1,082,534.05 = 462,091.18/x
  3. Step 3: Cross multiply
    784,276.98x = 1,082,534.05 × 462,091.18
  4. Step 4: Simplify right side
    784,276.98x = 500,229,431,142.01
  5. Step 5: Solve for x
    x = 500,229,431,142.01/784,276.98
  6. Step 6: Final answer
    x = 637,822.41

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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.