Finding the Fourth Proportional to 692,468.62, 1,038,837.57 and 265,973.09
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Solution
The fourth proportional to 692,468.62, 1,038,837.57 and 265,973.09 is: 399,011.35
Step by Step Solution
- Step 1: Write the proportion equation
692,468.62 : 1,038,837.57 = 265,973.09 : x - Step 2: Convert to fraction form
692,468.62/1,038,837.57 = 265,973.09/x - Step 3: Cross multiply
692,468.62x = 1,038,837.57 × 265,973.09 - Step 4: Simplify right side
692,468.62x = 276,302,838,500.99 - Step 5: Solve for x
x = 276,302,838,500.99/692,468.62 - Step 6: Final answer
x = 399,011.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.