Finding the Fourth Proportional to 736,407.66, 1,102,248.73 and 393,994.50
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Solution
The fourth proportional to 736,407.66, 1,102,248.73 and 393,994.50 is: 589,727.62
Step by Step Solution
- Step 1: Write the proportion equation
736,407.66 : 1,102,248.73 = 393,994.50 : x - Step 2: Convert to fraction form
736,407.66/1,102,248.73 = 393,994.50/x - Step 3: Cross multiply
736,407.66x = 1,102,248.73 × 393,994.50 - Step 4: Simplify right side
736,407.66x = 434,279,931,394.83 - Step 5: Solve for x
x = 434,279,931,394.83/736,407.66 - Step 6: Final answer
x = 589,727.62
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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.