Home / 727,536.71-1,004,031.64-405,246.95

Finding the Fourth Proportional to 727,536.71, 1,004,031.64 and 405,246.95

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Solution

The fourth proportional to 727,536.71, 1,004,031.64 and 405,246.95 is: 559,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,536.71 : 1,004,031.64 = 405,246.95 : x
  2. Step 2: Convert to fraction form
    727,536.71/1,004,031.64 = 405,246.95/x
  3. Step 3: Cross multiply
    727,536.71x = 1,004,031.64 × 405,246.95
  4. Step 4: Simplify right side
    727,536.71x = 406,880,759,813.50
  5. Step 5: Solve for x
    x = 406,880,759,813.50/727,536.71
  6. Step 6: Final answer
    x = 559,258.05

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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.