Home / 649,711.49-972,666.77-379,011.92

Finding the Fourth Proportional to 649,711.49, 972,666.77 and 379,011.92

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Solution

The fourth proportional to 649,711.49, 972,666.77 and 379,011.92 is: 567,409.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,711.49 : 972,666.77 = 379,011.92 : x
  2. Step 2: Convert to fraction form
    649,711.49/972,666.77 = 379,011.92/x
  3. Step 3: Cross multiply
    649,711.49x = 972,666.77 × 379,011.92
  4. Step 4: Simplify right side
    649,711.49x = 368,652,293,259.51
  5. Step 5: Solve for x
    x = 368,652,293,259.51/649,711.49
  6. Step 6: Final answer
    x = 567,409.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.