Home / 902,376.75-1,245,280.05-539,815.89

Finding the Fourth Proportional to 902,376.75, 1,245,280.05 and 539,815.89

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Solution

The fourth proportional to 902,376.75, 1,245,280.05 and 539,815.89 is: 744,946.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,376.75 : 1,245,280.05 = 539,815.89 : x
  2. Step 2: Convert to fraction form
    902,376.75/1,245,280.05 = 539,815.89/x
  3. Step 3: Cross multiply
    902,376.75x = 1,245,280.05 × 539,815.89
  4. Step 4: Simplify right side
    902,376.75x = 672,221,958,490.00
  5. Step 5: Solve for x
    x = 672,221,958,490.00/902,376.75
  6. Step 6: Final answer
    x = 744,946.01

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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.