Home / 704,619.96-972,311.34-418,090.68

Finding the Fourth Proportional to 704,619.96, 972,311.34 and 418,090.68

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Solution

The fourth proportional to 704,619.96, 972,311.34 and 418,090.68 is: 576,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,619.96 : 972,311.34 = 418,090.68 : x
  2. Step 2: Convert to fraction form
    704,619.96/972,311.34 = 418,090.68/x
  3. Step 3: Cross multiply
    704,619.96x = 972,311.34 × 418,090.68
  4. Step 4: Simplify right side
    704,619.96x = 406,514,309,312.31
  5. Step 5: Solve for x
    x = 406,514,309,312.31/704,619.96
  6. Step 6: Final answer
    x = 576,927.04

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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.