Finding the Fourth Proportional to 706,692.70, 1,057,447.05 and 520,068.70
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Solution
The fourth proportional to 706,692.70, 1,057,447.05 and 520,068.70 is: 778,195.55
Step by Step Solution
- Step 1: Write the proportion equation
706,692.70 : 1,057,447.05 = 520,068.70 : x - Step 2: Convert to fraction form
706,692.70/1,057,447.05 = 520,068.70/x - Step 3: Cross multiply
706,692.70x = 1,057,447.05 × 520,068.70 - Step 4: Simplify right side
706,692.70x = 549,945,112,612.34 - Step 5: Solve for x
x = 549,945,112,612.34/706,692.70 - Step 6: Final answer
x = 778,195.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.