Finding the Fourth Proportional to 498,920.99, 688,306.95 and 368,411.36
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Solution
The fourth proportional to 498,920.99, 688,306.95 and 368,411.36 is: 508,257.03
Step by Step Solution
- Step 1: Write the proportion equation
498,920.99 : 688,306.95 = 368,411.36 : x - Step 2: Convert to fraction form
498,920.99/688,306.95 = 368,411.36/x - Step 3: Cross multiply
498,920.99x = 688,306.95 × 368,411.36 - Step 4: Simplify right side
498,920.99x = 253,580,096,105.42 - Step 5: Solve for x
x = 253,580,096,105.42/498,920.99 - Step 6: Final answer
x = 508,257.03
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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.