Finding the Fourth Proportional to 558,493.53, 831,423.23 and 555,171.99
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Solution
The fourth proportional to 558,493.53, 831,423.23 and 555,171.99 is: 826,478.48
Step by Step Solution
- Step 1: Write the proportion equation
558,493.53 : 831,423.23 = 555,171.99 : x - Step 2: Convert to fraction form
558,493.53/831,423.23 = 555,171.99/x - Step 3: Cross multiply
558,493.53x = 831,423.23 × 555,171.99 - Step 4: Simplify right side
558,493.53x = 461,582,886,355.47 - Step 5: Solve for x
x = 461,582,886,355.47/558,493.53 - Step 6: Final answer
x = 826,478.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.