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Finding the Fourth Proportional to 679,741.59, 937,660.82 and 407,737.11

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Solution

The fourth proportional to 679,741.59, 937,660.82 and 407,737.11 is: 562,447.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,741.59 : 937,660.82 = 407,737.11 : x
  2. Step 2: Convert to fraction form
    679,741.59/937,660.82 = 407,737.11/x
  3. Step 3: Cross multiply
    679,741.59x = 937,660.82 × 407,737.11
  4. Step 4: Simplify right side
    679,741.59x = 382,319,110,868.35
  5. Step 5: Solve for x
    x = 382,319,110,868.35/679,741.59
  6. Step 6: Final answer
    x = 562,447.72

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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.