Finding the Fourth Proportional to 1,578,809.80, 2,368,506.84 and 499,593.63
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Solution
The fourth proportional to 1,578,809.80, 2,368,506.84 and 499,593.63 is: 749,482.89
Step by Step Solution
- Step 1: Write the proportion equation
1,578,809.80 : 2,368,506.84 = 499,593.63 : x - Step 2: Convert to fraction form
1,578,809.80/2,368,506.84 = 499,593.63/x - Step 3: Cross multiply
1,578,809.80x = 2,368,506.84 × 499,593.63 - Step 4: Simplify right side
1,578,809.80x = 1,183,290,929,875.43 - Step 5: Solve for x
x = 1,183,290,929,875.43/1,578,809.80 - Step 6: Final answer
x = 749,482.89
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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.