Home / 756,657.55-1,044,155.05-412,485.26

Finding the Fourth Proportional to 756,657.55, 1,044,155.05 and 412,485.26

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Solution

The fourth proportional to 756,657.55, 1,044,155.05 and 412,485.26 is: 569,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,657.55 : 1,044,155.05 = 412,485.26 : x
  2. Step 2: Convert to fraction form
    756,657.55/1,044,155.05 = 412,485.26/x
  3. Step 3: Cross multiply
    756,657.55x = 1,044,155.05 × 412,485.26
  4. Step 4: Simplify right side
    756,657.55x = 430,698,569,221.18
  5. Step 5: Solve for x
    x = 430,698,569,221.18/756,657.55
  6. Step 6: Final answer
    x = 569,212.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.