Home / 704,829.69-972,665.92-382,539.79

Finding the Fourth Proportional to 704,829.69, 972,665.92 and 382,539.79

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Solution

The fourth proportional to 704,829.69, 972,665.92 and 382,539.79 is: 527,905.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,829.69 : 972,665.92 = 382,539.79 : x
  2. Step 2: Convert to fraction form
    704,829.69/972,665.92 = 382,539.79/x
  3. Step 3: Cross multiply
    704,829.69x = 972,665.92 × 382,539.79
  4. Step 4: Simplify right side
    704,829.69x = 372,083,416,776.96
  5. Step 5: Solve for x
    x = 372,083,416,776.96/704,829.69
  6. Step 6: Final answer
    x = 527,905.42

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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.