Finding the Fourth Proportional to 476,428.32, 657,303.12 and 292,603.68
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Solution
The fourth proportional to 476,428.32, 657,303.12 and 292,603.68 is: 403,689.92
Step by Step Solution
- Step 1: Write the proportion equation
476,428.32 : 657,303.12 = 292,603.68 : x - Step 2: Convert to fraction form
476,428.32/657,303.12 = 292,603.68/x - Step 3: Cross multiply
476,428.32x = 657,303.12 × 292,603.68 - Step 4: Simplify right side
476,428.32x = 192,329,311,787.48 - Step 5: Solve for x
x = 192,329,311,787.48/476,428.32 - Step 6: Final answer
x = 403,689.92
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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.