Home / 571,223.25-788,288.09-316,612.71

Finding the Fourth Proportional to 571,223.25, 788,288.09 and 316,612.71

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Solution

The fourth proportional to 571,223.25, 788,288.09 and 316,612.71 is: 436,925.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,223.25 : 788,288.09 = 316,612.71 : x
  2. Step 2: Convert to fraction form
    571,223.25/788,288.09 = 316,612.71/x
  3. Step 3: Cross multiply
    571,223.25x = 788,288.09 × 316,612.71
  4. Step 4: Simplify right side
    571,223.25x = 249,582,026,852.56
  5. Step 5: Solve for x
    x = 249,582,026,852.56/571,223.25
  6. Step 6: Final answer
    x = 436,925.54

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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.