Finding the Fourth Proportional to 805,373.76, 1,110,251.70 and 532,985.34
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Solution
The fourth proportional to 805,373.76, 1,110,251.70 and 532,985.34 is: 734,749.39
Step by Step Solution
- Step 1: Write the proportion equation
805,373.76 : 1,110,251.70 = 532,985.34 : x - Step 2: Convert to fraction form
805,373.76/1,110,251.70 = 532,985.34/x - Step 3: Cross multiply
805,373.76x = 1,110,251.70 × 532,985.34 - Step 4: Simplify right side
805,373.76x = 591,747,879,810.08 - Step 5: Solve for x
x = 591,747,879,810.08/805,373.76 - Step 6: Final answer
x = 734,749.39
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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.