Home / 649,743.52-973,101.36-631,806.88

Finding the Fourth Proportional to 649,743.52, 973,101.36 and 631,806.88

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Solution

The fourth proportional to 649,743.52, 973,101.36 and 631,806.88 is: 946,238.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,743.52 : 973,101.36 = 631,806.88 : x
  2. Step 2: Convert to fraction form
    649,743.52/973,101.36 = 631,806.88/x
  3. Step 3: Cross multiply
    649,743.52x = 973,101.36 × 631,806.88
  4. Step 4: Simplify right side
    649,743.52x = 614,812,134,185.36
  5. Step 5: Solve for x
    x = 614,812,134,185.36/649,743.52
  6. Step 6: Final answer
    x = 946,238.19

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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.