Finding the Fourth Proportional to 842,225.42, 1,162,389.62 and 536,204.05
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Solution
The fourth proportional to 842,225.42, 1,162,389.62 and 536,204.05 is: 740,037.05
Step by Step Solution
- Step 1: Write the proportion equation
842,225.42 : 1,162,389.62 = 536,204.05 : x - Step 2: Convert to fraction form
842,225.42/1,162,389.62 = 536,204.05/x - Step 3: Cross multiply
842,225.42x = 1,162,389.62 × 536,204.05 - Step 4: Simplify right side
842,225.42x = 623,278,013,428.99 - Step 5: Solve for x
x = 623,278,013,428.99/842,225.42 - Step 6: Final answer
x = 740,037.05
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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.