Finding the Fourth Proportional to 817,510.51, 1,129,444.37 and 624,593.53
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Solution
The fourth proportional to 817,510.51, 1,129,444.37 and 624,593.53 is: 862,916.92
Step by Step Solution
- Step 1: Write the proportion equation
817,510.51 : 1,129,444.37 = 624,593.53 : x - Step 2: Convert to fraction form
817,510.51/1,129,444.37 = 624,593.53/x - Step 3: Cross multiply
817,510.51x = 1,129,444.37 × 624,593.53 - Step 4: Simplify right side
817,510.51x = 705,443,647,506.29 - Step 5: Solve for x
x = 705,443,647,506.29/817,510.51 - Step 6: Final answer
x = 862,916.92
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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.