Finding the Fourth Proportional to 715,073.13, 986,556.49 and 409,038.02
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Solution
The fourth proportional to 715,073.13, 986,556.49 and 409,038.02 is: 564,332.65
Step by Step Solution
- Step 1: Write the proportion equation
715,073.13 : 986,556.49 = 409,038.02 : x - Step 2: Convert to fraction form
715,073.13/986,556.49 = 409,038.02/x - Step 3: Cross multiply
715,073.13x = 986,556.49 × 409,038.02 - Step 4: Simplify right side
715,073.13x = 403,539,113,287.75 - Step 5: Solve for x
x = 403,539,113,287.75/715,073.13 - Step 6: Final answer
x = 564,332.65
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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.