Finding the Fourth Proportional to 772,591.92, 1,159,053.96 and 260,307.98
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Solution
The fourth proportional to 772,591.92, 1,159,053.96 and 260,307.98 is: 390,517.92
Step by Step Solution
- Step 1: Write the proportion equation
772,591.92 : 1,159,053.96 = 260,307.98 : x - Step 2: Convert to fraction form
772,591.92/1,159,053.96 = 260,307.98/x - Step 3: Cross multiply
772,591.92x = 1,159,053.96 × 260,307.98 - Step 4: Simplify right side
772,591.92x = 301,710,993,101.71 - Step 5: Solve for x
x = 301,710,993,101.71/772,591.92 - Step 6: Final answer
x = 390,517.92
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1.5x scale
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.