Finding the Fourth Proportional to 1,226,774.40, 1,840,235.08 and 385,326.12
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Solution
The fourth proportional to 1,226,774.40, 1,840,235.08 and 385,326.12 is: 578,012.26
Step by Step Solution
- Step 1: Write the proportion equation
1,226,774.40 : 1,840,235.08 = 385,326.12 : x - Step 2: Convert to fraction form
1,226,774.40/1,840,235.08 = 385,326.12/x - Step 3: Cross multiply
1,226,774.40x = 1,840,235.08 × 385,326.12 - Step 4: Simplify right side
1,226,774.40x = 709,090,643,264.29 - Step 5: Solve for x
x = 709,090,643,264.29/1,226,774.40 - Step 6: Final answer
x = 578,012.26
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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.