Home / 673,433.73-929,497.61-387,119.93

Finding the Fourth Proportional to 673,433.73, 929,497.61 and 387,119.93

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Solution

The fourth proportional to 673,433.73, 929,497.61 and 387,119.93 is: 534,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,433.73 : 929,497.61 = 387,119.93 : x
  2. Step 2: Convert to fraction form
    673,433.73/929,497.61 = 387,119.93/x
  3. Step 3: Cross multiply
    673,433.73x = 929,497.61 × 387,119.93
  4. Step 4: Simplify right side
    673,433.73x = 359,827,046,038.68
  5. Step 5: Solve for x
    x = 359,827,046,038.68/673,433.73
  6. Step 6: Final answer
    x = 534,316.93

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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.