Finding the Fourth Proportional to 912,053.92, 1,368,104.40 and 432,169.12
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Solution
The fourth proportional to 912,053.92, 1,368,104.40 and 432,169.12 is: 648,264.82
Step by Step Solution
- Step 1: Write the proportion equation
912,053.92 : 1,368,104.40 = 432,169.12 : x - Step 2: Convert to fraction form
912,053.92/1,368,104.40 = 432,169.12/x - Step 3: Cross multiply
912,053.92x = 1,368,104.40 × 432,169.12 - Step 4: Simplify right side
912,053.92x = 591,252,474,616.13 - Step 5: Solve for x
x = 591,252,474,616.13/912,053.92 - Step 6: Final answer
x = 648,264.82
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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.