Finding the Fourth Proportional to 841,446.16, 1,161,345.36 and 497,267.44
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Solution
The fourth proportional to 841,446.16, 1,161,345.36 and 497,267.44 is: 686,317.51
Step by Step Solution
- Step 1: Write the proportion equation
841,446.16 : 1,161,345.36 = 497,267.44 : x - Step 2: Convert to fraction form
841,446.16/1,161,345.36 = 497,267.44/x - Step 3: Cross multiply
841,446.16x = 1,161,345.36 × 497,267.44 - Step 4: Simplify right side
841,446.16x = 577,499,234,123.08 - Step 5: Solve for x
x = 577,499,234,123.08/841,446.16 - Step 6: Final answer
x = 686,317.51
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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.