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Finding the Fourth Proportional to 539,607.53, 744,648.94 and 297,883.89

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Solution

The fourth proportional to 539,607.53, 744,648.94 and 297,883.89 is: 411,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,607.53 : 744,648.94 = 297,883.89 : x
  2. Step 2: Convert to fraction form
    539,607.53/744,648.94 = 297,883.89/x
  3. Step 3: Cross multiply
    539,607.53x = 744,648.94 × 297,883.89
  4. Step 4: Simplify right side
    539,607.53x = 221,818,922,931.58
  5. Step 5: Solve for x
    x = 221,818,922,931.58/539,607.53
  6. Step 6: Final answer
    x = 411,074.55

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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.