Home / 756,072.30-1,134,108.45-569,448.30

Finding the Fourth Proportional to 756,072.30, 1,134,108.45 and 569,448.30

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Solution

The fourth proportional to 756,072.30, 1,134,108.45 and 569,448.30 is: 854,172.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,072.30 : 1,134,108.45 = 569,448.30 : x
  2. Step 2: Convert to fraction form
    756,072.30/1,134,108.45 = 569,448.30/x
  3. Step 3: Cross multiply
    756,072.30x = 1,134,108.45 × 569,448.30
  4. Step 4: Simplify right side
    756,072.30x = 645,816,128,868.14
  5. Step 5: Solve for x
    x = 645,816,128,868.14/756,072.30
  6. Step 6: Final answer
    x = 854,172.45

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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.