Home / 727,535.71-1,004,030.26-405,245.95

Finding the Fourth Proportional to 727,535.71, 1,004,030.26 and 405,245.95

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Solution

The fourth proportional to 727,535.71, 1,004,030.26 and 405,245.95 is: 559,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,535.71 : 1,004,030.26 = 405,245.95 : x
  2. Step 2: Convert to fraction form
    727,535.71/1,004,030.26 = 405,245.95/x
  3. Step 3: Cross multiply
    727,535.71x = 1,004,030.26 × 405,245.95
  4. Step 4: Simplify right side
    727,535.71x = 406,879,196,542.45
  5. Step 5: Solve for x
    x = 406,879,196,542.45/727,535.71
  6. Step 6: Final answer
    x = 559,256.67

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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.