Finding the Fourth Proportional to 804,740.47, 1,207,111.14 and 299,235.76
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Solution
The fourth proportional to 804,740.47, 1,207,111.14 and 299,235.76 is: 448,853.80
Step by Step Solution
- Step 1: Write the proportion equation
804,740.47 : 1,207,111.14 = 299,235.76 : x - Step 2: Convert to fraction form
804,740.47/1,207,111.14 = 299,235.76/x - Step 3: Cross multiply
804,740.47x = 1,207,111.14 × 299,235.76 - Step 4: Simplify right side
804,740.47x = 361,210,816,364.59 - Step 5: Solve for x
x = 361,210,816,364.59/804,740.47 - Step 6: Final answer
x = 448,853.80
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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.