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Finding the Fourth Proportional to 575,824.83, 794,636.03 and 317,717.84

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Solution

The fourth proportional to 575,824.83, 794,636.03 and 317,717.84 is: 438,449.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,824.83 : 794,636.03 = 317,717.84 : x
  2. Step 2: Convert to fraction form
    575,824.83/794,636.03 = 317,717.84/x
  3. Step 3: Cross multiply
    575,824.83x = 794,636.03 × 317,717.84
  4. Step 4: Simplify right side
    575,824.83x = 252,470,037,476.01
  5. Step 5: Solve for x
    x = 252,470,037,476.01/575,824.83
  6. Step 6: Final answer
    x = 438,449.38

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1.5x scale

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.