Home / 960,032.60-1,440,048.90-540,128.60

Finding the Fourth Proportional to 960,032.60, 1,440,048.90 and 540,128.60

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Solution

The fourth proportional to 960,032.60, 1,440,048.90 and 540,128.60 is: 810,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,032.60 : 1,440,048.90 = 540,128.60 : x
  2. Step 2: Convert to fraction form
    960,032.60/1,440,048.90 = 540,128.60/x
  3. Step 3: Cross multiply
    960,032.60x = 1,440,048.90 × 540,128.60
  4. Step 4: Simplify right side
    960,032.60x = 777,811,596,288.54
  5. Step 5: Solve for x
    x = 777,811,596,288.54/960,032.60
  6. Step 6: Final answer
    x = 810,192.90

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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.