Finding the Fourth Proportional to 561,044.95, 774,007.14 and 343,088.53
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Solution
The fourth proportional to 561,044.95, 774,007.14 and 343,088.53 is: 473,318.53
Step by Step Solution
- Step 1: Write the proportion equation
561,044.95 : 774,007.14 = 343,088.53 : x - Step 2: Convert to fraction form
561,044.95/774,007.14 = 343,088.53/x - Step 3: Cross multiply
561,044.95x = 774,007.14 × 343,088.53 - Step 4: Simplify right side
561,044.95x = 265,552,971,223.67 - Step 5: Solve for x
x = 265,552,971,223.67/561,044.95 - Step 6: Final answer
x = 473,318.53
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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.