Finding the Fourth Proportional to 889,832.34, 1,228,056.54 and 507,916.53
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Solution
The fourth proportional to 889,832.34, 1,228,056.54 and 507,916.53 is: 700,974.99
Step by Step Solution
- Step 1: Write the proportion equation
889,832.34 : 1,228,056.54 = 507,916.53 : x - Step 2: Convert to fraction form
889,832.34/1,228,056.54 = 507,916.53/x - Step 3: Cross multiply
889,832.34x = 1,228,056.54 × 507,916.53 - Step 4: Simplify right side
889,832.34x = 623,750,216,440.61 - Step 5: Solve for x
x = 623,750,216,440.61/889,832.34 - Step 6: Final answer
x = 700,974.99
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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.