Home / 943,661.72-1,302,267.99-513,941.51

Finding the Fourth Proportional to 943,661.72, 1,302,267.99 and 513,941.51

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Solution

The fourth proportional to 943,661.72, 1,302,267.99 and 513,941.51 is: 709,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,661.72 : 1,302,267.99 = 513,941.51 : x
  2. Step 2: Convert to fraction form
    943,661.72/1,302,267.99 = 513,941.51/x
  3. Step 3: Cross multiply
    943,661.72x = 1,302,267.99 × 513,941.51
  4. Step 4: Simplify right side
    943,661.72x = 669,289,570,693.93
  5. Step 5: Solve for x
    x = 669,289,570,693.93/943,661.72
  6. Step 6: Final answer
    x = 709,247.35

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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.