Finding the Fourth Proportional to 922,782.12, 1,273,442.84 and 514,901.15
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Solution
The fourth proportional to 922,782.12, 1,273,442.84 and 514,901.15 is: 710,565.55
Step by Step Solution
- Step 1: Write the proportion equation
922,782.12 : 1,273,442.84 = 514,901.15 : x - Step 2: Convert to fraction form
922,782.12/1,273,442.84 = 514,901.15/x - Step 3: Cross multiply
922,782.12x = 1,273,442.84 × 514,901.15 - Step 4: Simplify right side
922,782.12x = 655,697,187,246.13 - Step 5: Solve for x
x = 655,697,187,246.13/922,782.12 - Step 6: Final answer
x = 710,565.55
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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.