Finding the Fourth Proportional to 578,655.18, 798,451.12 and 363,643.02
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Solution
The fourth proportional to 578,655.18, 798,451.12 and 363,643.02 is: 501,768.91
Step by Step Solution
- Step 1: Write the proportion equation
578,655.18 : 798,451.12 = 363,643.02 : x - Step 2: Convert to fraction form
578,655.18/798,451.12 = 363,643.02/x - Step 3: Cross multiply
578,655.18x = 798,451.12 × 363,643.02 - Step 4: Simplify right side
578,655.18x = 290,351,176,599.18 - Step 5: Solve for x
x = 290,351,176,599.18/578,655.18 - Step 6: Final answer
x = 501,768.91
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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.