Home / 704,623.29-972,632.31-418,143.36

Finding the Fourth Proportional to 704,623.29, 972,632.31 and 418,143.36

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Solution

The fourth proportional to 704,623.29, 972,632.31 and 418,143.36 is: 577,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,623.29 : 972,632.31 = 418,143.36 : x
  2. Step 2: Convert to fraction form
    704,623.29/972,632.31 = 418,143.36/x
  3. Step 3: Cross multiply
    704,623.29x = 972,632.31 × 418,143.36
  4. Step 4: Simplify right side
    704,623.29x = 406,699,742,147.96
  5. Step 5: Solve for x
    x = 406,699,742,147.96/704,623.29
  6. Step 6: Final answer
    x = 577,187.48

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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.