Finding the Fourth Proportional to 747,933.52, 1,032,148.16 and 408,402.08
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Solution
The fourth proportional to 747,933.52, 1,032,148.16 and 408,402.08 is: 563,594.82
Step by Step Solution
- Step 1: Write the proportion equation
747,933.52 : 1,032,148.16 = 408,402.08 : x - Step 2: Convert to fraction form
747,933.52/1,032,148.16 = 408,402.08/x - Step 3: Cross multiply
747,933.52x = 1,032,148.16 × 408,402.08 - Step 4: Simplify right side
747,933.52x = 421,531,455,412.17 - Step 5: Solve for x
x = 421,531,455,412.17/747,933.52 - Step 6: Final answer
x = 563,594.82
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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.