Finding the Fourth Proportional to 602,797.01, 831,901.46 and 398,493.63
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Solution
The fourth proportional to 602,797.01, 831,901.46 and 398,493.63 is: 549,948.70
Step by Step Solution
- Step 1: Write the proportion equation
602,797.01 : 831,901.46 = 398,493.63 : x - Step 2: Convert to fraction form
602,797.01/831,901.46 = 398,493.63/x - Step 3: Cross multiply
602,797.01x = 831,901.46 × 398,493.63 - Step 4: Simplify right side
602,797.01x = 331,507,430,605.23 - Step 5: Solve for x
x = 331,507,430,605.23/602,797.01 - Step 6: Final answer
x = 549,948.70
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1.5x scale
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.