Finding the Fourth Proportional to 774,866.04, 1,069,307.89 and 430,692.99
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Solution
The fourth proportional to 774,866.04, 1,069,307.89 and 430,692.99 is: 594,352.30
Step by Step Solution
- Step 1: Write the proportion equation
774,866.04 : 1,069,307.89 = 430,692.99 : x - Step 2: Convert to fraction form
774,866.04/1,069,307.89 = 430,692.99/x - Step 3: Cross multiply
774,866.04x = 1,069,307.89 × 430,692.99 - Step 4: Simplify right side
774,866.04x = 460,543,412,374.69 - Step 5: Solve for x
x = 460,543,412,374.69/774,866.04 - Step 6: Final answer
x = 594,352.30
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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.