Finding the Fourth Proportional to 509,381.19, 702,904.91 and 294,535.17
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Solution
The fourth proportional to 509,381.19, 702,904.91 and 294,535.17 is: 406,434.75
Step by Step Solution
- Step 1: Write the proportion equation
509,381.19 : 702,904.91 = 294,535.17 : x - Step 2: Convert to fraction form
509,381.19/702,904.91 = 294,535.17/x - Step 3: Cross multiply
509,381.19x = 702,904.91 × 294,535.17 - Step 4: Simplify right side
509,381.19x = 207,030,215,688.01 - Step 5: Solve for x
x = 207,030,215,688.01/509,381.19 - Step 6: Final answer
x = 406,434.75
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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.