Home / 756,072.70-1,134,109.05-624,852.70

Finding the Fourth Proportional to 756,072.70, 1,134,109.05 and 624,852.70

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Solution

The fourth proportional to 756,072.70, 1,134,109.05 and 624,852.70 is: 937,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,072.70 : 1,134,109.05 = 624,852.70 : x
  2. Step 2: Convert to fraction form
    756,072.70/1,134,109.05 = 624,852.70/x
  3. Step 3: Cross multiply
    756,072.70x = 1,134,109.05 × 624,852.70
  4. Step 4: Simplify right side
    756,072.70x = 708,651,101,986.94
  5. Step 5: Solve for x
    x = 708,651,101,986.94/756,072.70
  6. Step 6: Final answer
    x = 937,279.05

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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.