Finding the Fourth Proportional to 509,387.20, 702,913.16 and 294,541.18
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Solution
The fourth proportional to 509,387.20, 702,913.16 and 294,541.18 is: 406,443.02
Step by Step Solution
- Step 1: Write the proportion equation
509,387.20 : 702,913.16 = 294,541.18 : x - Step 2: Convert to fraction form
509,387.20/702,913.16 = 294,541.18/x - Step 3: Cross multiply
509,387.20x = 702,913.16 × 294,541.18 - Step 4: Simplify right side
509,387.20x = 207,036,871,583.93 - Step 5: Solve for x
x = 207,036,871,583.93/509,387.20 - Step 6: Final answer
x = 406,443.02
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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.