Finding the Fourth Proportional to 917,848.24, 1,266,635.64 and 509,950.64
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Solution
The fourth proportional to 917,848.24, 1,266,635.64 and 509,950.64 is: 703,734.70
Step by Step Solution
- Step 1: Write the proportion equation
917,848.24 : 1,266,635.64 = 509,950.64 : x - Step 2: Convert to fraction form
917,848.24/1,266,635.64 = 509,950.64/x - Step 3: Cross multiply
917,848.24x = 1,266,635.64 × 509,950.64 - Step 4: Simplify right side
917,848.24x = 645,921,655,264.81 - Step 5: Solve for x
x = 645,921,655,264.81/917,848.24 - Step 6: Final answer
x = 703,734.70
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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.