Home / 784,783.08-1,082,980.26-458,158.68

Finding the Fourth Proportional to 784,783.08, 1,082,980.26 and 458,158.68

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Solution

The fourth proportional to 784,783.08, 1,082,980.26 and 458,158.68 is: 632,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,783.08 : 1,082,980.26 = 458,158.68 : x
  2. Step 2: Convert to fraction form
    784,783.08/1,082,980.26 = 458,158.68/x
  3. Step 3: Cross multiply
    784,783.08x = 1,082,980.26 × 458,158.68
  4. Step 4: Simplify right side
    784,783.08x = 496,176,806,387.66
  5. Step 5: Solve for x
    x = 496,176,806,387.66/784,783.08
  6. Step 6: Final answer
    x = 632,247.07

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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.