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Finding the Fourth Proportional to 555,157.59, 766,117.82 and 313,440.63

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Solution

The fourth proportional to 555,157.59, 766,117.82 and 313,440.63 is: 432,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,157.59 : 766,117.82 = 313,440.63 : x
  2. Step 2: Convert to fraction form
    555,157.59/766,117.82 = 313,440.63/x
  3. Step 3: Cross multiply
    555,157.59x = 766,117.82 × 313,440.63
  4. Step 4: Simplify right side
    555,157.59x = 240,132,452,155.03
  5. Step 5: Solve for x
    x = 240,132,452,155.03/555,157.59
  6. Step 6: Final answer
    x = 432,548.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.