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Finding the Fourth Proportional to 539,799, 744,988.23 and 313,444.50

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Solution

The fourth proportional to 539,799, 744,988.23 and 313,444.50 is: 432,591.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,799 : 744,988.23 = 313,444.50 : x
  2. Step 2: Convert to fraction form
    539,799/744,988.23 = 313,444.50/x
  3. Step 3: Cross multiply
    539,799x = 744,988.23 × 313,444.50
  4. Step 4: Simplify right side
    539,799x = 233,512,463,258.24
  5. Step 5: Solve for x
    x = 233,512,463,258.24/539,799
  6. Step 6: Final answer
    x = 432,591.51

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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.