Home / 639,756.04-959,769.36-240,400.26

Finding the Fourth Proportional to 639,756.04, 959,769.36 and 240,400.26

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Solution

The fourth proportional to 639,756.04, 959,769.36 and 240,400.26 is: 360,651.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,756.04 : 959,769.36 = 240,400.26 : x
  2. Step 2: Convert to fraction form
    639,756.04/959,769.36 = 240,400.26/x
  3. Step 3: Cross multiply
    639,756.04x = 959,769.36 × 240,400.26
  4. Step 4: Simplify right side
    639,756.04x = 230,728,803,684.03
  5. Step 5: Solve for x
    x = 230,728,803,684.03/639,756.04
  6. Step 6: Final answer
    x = 360,651.23

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1.5x scale

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.