Finding the Fourth Proportional to 610,946.14, 917,089.62 and 485,393.44
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Solution
The fourth proportional to 610,946.14, 917,089.62 and 485,393.44 is: 728,622.80
Step by Step Solution
- Step 1: Write the proportion equation
610,946.14 : 917,089.62 = 485,393.44 : x - Step 2: Convert to fraction form
610,946.14/917,089.62 = 485,393.44/x - Step 3: Cross multiply
610,946.14x = 917,089.62 × 485,393.44 - Step 4: Simplify right side
610,946.14x = 445,149,285,440.09 - Step 5: Solve for x
x = 445,149,285,440.09/610,946.14 - Step 6: Final answer
x = 728,622.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.