Finding the Fourth Proportional to 913,908.48, 1,261,233.08 and 506,010.28
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Solution
The fourth proportional to 913,908.48, 1,261,233.08 and 506,010.28 is: 698,315.99
Step by Step Solution
- Step 1: Write the proportion equation
913,908.48 : 1,261,233.08 = 506,010.28 : x - Step 2: Convert to fraction form
913,908.48/1,261,233.08 = 506,010.28/x - Step 3: Cross multiply
913,908.48x = 1,261,233.08 × 506,010.28 - Step 4: Simplify right side
913,908.48x = 638,196,903,956.06 - Step 5: Solve for x
x = 638,196,903,956.06/913,908.48 - Step 6: Final answer
x = 698,315.99
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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.