Home / 753,132.02-1,129,698.03-220,653.14

Finding the Fourth Proportional to 753,132.02, 1,129,698.03 and 220,653.14

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Solution

The fourth proportional to 753,132.02, 1,129,698.03 and 220,653.14 is: 330,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,132.02 : 1,129,698.03 = 220,653.14 : x
  2. Step 2: Convert to fraction form
    753,132.02/1,129,698.03 = 220,653.14/x
  3. Step 3: Cross multiply
    753,132.02x = 1,129,698.03 × 220,653.14
  4. Step 4: Simplify right side
    753,132.02x = 249,271,417,571.31
  5. Step 5: Solve for x
    x = 249,271,417,571.31/753,132.02
  6. Step 6: Final answer
    x = 330,979.71

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Double scale
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Similar ratio
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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.