Finding the Fourth Proportional to 889,598.98, 1,227,734.49 and 507,683.17
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Solution
The fourth proportional to 889,598.98, 1,227,734.49 and 507,683.17 is: 700,652.94
Step by Step Solution
- Step 1: Write the proportion equation
889,598.98 : 1,227,734.49 = 507,683.17 : x - Step 2: Convert to fraction form
889,598.98/1,227,734.49 = 507,683.17/x - Step 3: Cross multiply
889,598.98x = 1,227,734.49 × 507,683.17 - Step 4: Simplify right side
889,598.98x = 623,300,137,801.53 - Step 5: Solve for x
x = 623,300,137,801.53/889,598.98 - Step 6: Final answer
x = 700,652.94
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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.