Finding the Fourth Proportional to 657,802.96, 907,767.68 and 371,325.52
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Solution
The fourth proportional to 657,802.96, 907,767.68 and 371,325.52 is: 512,428.99
Step by Step Solution
- Step 1: Write the proportion equation
657,802.96 : 907,767.68 = 371,325.52 : x - Step 2: Convert to fraction form
657,802.96/907,767.68 = 371,325.52/x - Step 3: Cross multiply
657,802.96x = 907,767.68 × 371,325.52 - Step 4: Simplify right side
657,802.96x = 337,077,305,815.19 - Step 5: Solve for x
x = 337,077,305,815.19/657,802.96 - Step 6: Final answer
x = 512,428.99
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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.