Finding the Fourth Proportional to 742,583.58, 1,024,737.93 and 403,044.54
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Solution
The fourth proportional to 742,583.58, 1,024,737.93 and 403,044.54 is: 556,186.59
Step by Step Solution
- Step 1: Write the proportion equation
742,583.58 : 1,024,737.93 = 403,044.54 : x - Step 2: Convert to fraction form
742,583.58/1,024,737.93 = 403,044.54/x - Step 3: Cross multiply
742,583.58x = 1,024,737.93 × 403,044.54 - Step 4: Simplify right side
742,583.58x = 413,015,027,617.40 - Step 5: Solve for x
x = 413,015,027,617.40/742,583.58 - Step 6: Final answer
x = 556,186.59
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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.