Finding the Fourth Proportional to 875,853.08, 1,208,692.98 and 513,379.70
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Solution
The fourth proportional to 875,853.08, 1,208,692.98 and 513,379.70 is: 708,473.20
Step by Step Solution
- Step 1: Write the proportion equation
875,853.08 : 1,208,692.98 = 513,379.70 : x - Step 2: Convert to fraction form
875,853.08/1,208,692.98 = 513,379.70/x - Step 3: Cross multiply
875,853.08x = 1,208,692.98 × 513,379.70 - Step 4: Simplify right side
875,853.08x = 620,518,433,421.04 - Step 5: Solve for x
x = 620,518,433,421.04/875,853.08 - Step 6: Final answer
x = 708,473.20
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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.