Finding the Fourth Proportional to 536,478.80, 803,551.80 and 326,526.80
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Solution
The fourth proportional to 536,478.80, 803,551.80 and 326,526.80 is: 489,080.27
Step by Step Solution
- Step 1: Write the proportion equation
536,478.80 : 803,551.80 = 326,526.80 : x - Step 2: Convert to fraction form
536,478.80/803,551.80 = 326,526.80/x - Step 3: Cross multiply
536,478.80x = 803,551.80 × 326,526.80 - Step 4: Simplify right side
536,478.80x = 262,381,197,888.24 - Step 5: Solve for x
x = 262,381,197,888.24/536,478.80 - Step 6: Final answer
x = 489,080.27
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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.