Home / 727,823.21-1,004,382.65-405,526.37

Finding the Fourth Proportional to 727,823.21, 1,004,382.65 and 405,526.37

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Solution

The fourth proportional to 727,823.21, 1,004,382.65 and 405,526.37 is: 559,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,823.21 : 1,004,382.65 = 405,526.37 : x
  2. Step 2: Convert to fraction form
    727,823.21/1,004,382.65 = 405,526.37/x
  3. Step 3: Cross multiply
    727,823.21x = 1,004,382.65 × 405,526.37
  4. Step 4: Simplify right side
    727,823.21x = 407,303,646,137.38
  5. Step 5: Solve for x
    x = 407,303,646,137.38/727,823.21
  6. Step 6: Final answer
    x = 559,618.93

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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.