Finding the Fourth Proportional to 916,029.95, 1,264,141.62 and 508,118.54
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Solution
The fourth proportional to 916,029.95, 1,264,141.62 and 508,118.54 is: 701,214.84
Step by Step Solution
- Step 1: Write the proportion equation
916,029.95 : 1,264,141.62 = 508,118.54 : x - Step 2: Convert to fraction form
916,029.95/1,264,141.62 = 508,118.54/x - Step 3: Cross multiply
916,029.95x = 1,264,141.62 × 508,118.54 - Step 4: Simplify right side
916,029.95x = 642,333,787,986.93 - Step 5: Solve for x
x = 642,333,787,986.93/916,029.95 - Step 6: Final answer
x = 701,214.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.