Home / 756,004.80-1,134,007.20-569,380.80

Finding the Fourth Proportional to 756,004.80, 1,134,007.20 and 569,380.80

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Solution

The fourth proportional to 756,004.80, 1,134,007.20 and 569,380.80 is: 854,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,004.80 : 1,134,007.20 = 569,380.80 : x
  2. Step 2: Convert to fraction form
    756,004.80/1,134,007.20 = 569,380.80/x
  3. Step 3: Cross multiply
    756,004.80x = 1,134,007.20 × 569,380.80
  4. Step 4: Simplify right side
    756,004.80x = 645,681,926,741.76
  5. Step 5: Solve for x
    x = 645,681,926,741.76/756,004.80
  6. Step 6: Final answer
    x = 854,071.20

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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.