Finding the Fourth Proportional to 993,530.96, 1,370,994.55 and 563,811.08
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Solution
The fourth proportional to 993,530.96, 1,370,994.55 and 563,811.08 is: 778,014.93
Step by Step Solution
- Step 1: Write the proportion equation
993,530.96 : 1,370,994.55 = 563,811.08 : x - Step 2: Convert to fraction form
993,530.96/1,370,994.55 = 563,811.08/x - Step 3: Cross multiply
993,530.96x = 1,370,994.55 × 563,811.08 - Step 4: Simplify right side
993,530.96x = 772,981,919,927.57 - Step 5: Solve for x
x = 772,981,919,927.57/993,530.96 - Step 6: Final answer
x = 778,014.93
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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.