Finding the Fourth Proportional to 694,495.57, 1,046,948.73 and 648,202.08
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Solution
The fourth proportional to 694,495.57, 1,046,948.73 and 648,202.08 is: 977,161.52
Step by Step Solution
- Step 1: Write the proportion equation
694,495.57 : 1,046,948.73 = 648,202.08 : x - Step 2: Convert to fraction form
694,495.57/1,046,948.73 = 648,202.08/x - Step 3: Cross multiply
694,495.57x = 1,046,948.73 × 648,202.08 - Step 4: Simplify right side
694,495.57x = 678,634,344,439.36 - Step 5: Solve for x
x = 678,634,344,439.36/694,495.57 - Step 6: Final answer
x = 977,161.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.