Home / 571,116.30-788,140.49-316,467.48

Finding the Fourth Proportional to 571,116.30, 788,140.49 and 316,467.48

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Solution

The fourth proportional to 571,116.30, 788,140.49 and 316,467.48 is: 436,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,116.30 : 788,140.49 = 316,467.48 : x
  2. Step 2: Convert to fraction form
    571,116.30/788,140.49 = 316,467.48/x
  3. Step 3: Cross multiply
    571,116.30x = 788,140.49 × 316,467.48
  4. Step 4: Simplify right side
    571,116.30x = 249,420,834,756.27
  5. Step 5: Solve for x
    x = 249,420,834,756.27/571,116.30
  6. Step 6: Final answer
    x = 436,725.12

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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.