Home / 571,215.65-788,278.03-316,566.83

Finding the Fourth Proportional to 571,215.65, 788,278.03 and 316,566.83

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Solution

The fourth proportional to 571,215.65, 788,278.03 and 316,566.83 is: 436,862.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,215.65 : 788,278.03 = 316,566.83 : x
  2. Step 2: Convert to fraction form
    571,215.65/788,278.03 = 316,566.83/x
  3. Step 3: Cross multiply
    571,215.65x = 788,278.03 × 316,566.83
  4. Step 4: Simplify right side
    571,215.65x = 249,542,678,295.02
  5. Step 5: Solve for x
    x = 249,542,678,295.02/571,215.65
  6. Step 6: Final answer
    x = 436,862.47

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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.