Finding the Fourth Proportional to 614,534.70, 921,802.05 and 572,544.30
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Solution
The fourth proportional to 614,534.70, 921,802.05 and 572,544.30 is: 858,816.45
Step by Step Solution
- Step 1: Write the proportion equation
614,534.70 : 921,802.05 = 572,544.30 : x - Step 2: Convert to fraction form
614,534.70/921,802.05 = 572,544.30/x - Step 3: Cross multiply
614,534.70x = 921,802.05 × 572,544.30 - Step 4: Simplify right side
614,534.70x = 527,772,509,455.82 - Step 5: Solve for x
x = 527,772,509,455.82/614,534.70 - Step 6: Final answer
x = 858,816.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.