Home / 756,821.36-1,044,666.55-450,993.67

Finding the Fourth Proportional to 756,821.36, 1,044,666.55 and 450,993.67

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Solution

The fourth proportional to 756,821.36, 1,044,666.55 and 450,993.67 is: 622,522.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,821.36 : 1,044,666.55 = 450,993.67 : x
  2. Step 2: Convert to fraction form
    756,821.36/1,044,666.55 = 450,993.67/x
  3. Step 3: Cross multiply
    756,821.36x = 1,044,666.55 × 450,993.67
  4. Step 4: Simplify right side
    756,821.36x = 471,138,001,310.74
  5. Step 5: Solve for x
    x = 471,138,001,310.74/756,821.36
  6. Step 6: Final answer
    x = 622,522.07

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1.5x scale

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.