Home / 727,945.99-1,004,572.80-401,270.63

Finding the Fourth Proportional to 727,945.99, 1,004,572.80 and 401,270.63

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Solution

The fourth proportional to 727,945.99, 1,004,572.80 and 401,270.63 is: 553,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,945.99 : 1,004,572.80 = 401,270.63 : x
  2. Step 2: Convert to fraction form
    727,945.99/1,004,572.80 = 401,270.63/x
  3. Step 3: Cross multiply
    727,945.99x = 1,004,572.80 × 401,270.63
  4. Step 4: Simplify right side
    727,945.99x = 403,105,555,314
  5. Step 5: Solve for x
    x = 403,105,555,314/727,945.99
  6. Step 6: Final answer
    x = 553,757.51

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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.