Finding the Fourth Proportional to 1,152,835.55, 1,729,316.37 and 478,984.99
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Solution
The fourth proportional to 1,152,835.55, 1,729,316.37 and 478,984.99 is: 718,503.68
Step by Step Solution
- Step 1: Write the proportion equation
1,152,835.55 : 1,729,316.37 = 478,984.99 : x - Step 2: Convert to fraction form
1,152,835.55/1,729,316.37 = 478,984.99/x - Step 3: Cross multiply
1,152,835.55x = 1,729,316.37 × 478,984.99 - Step 4: Simplify right side
1,152,835.55x = 828,316,584,191.29 - Step 5: Solve for x
x = 828,316,584,191.29/1,152,835.55 - Step 6: Final answer
x = 718,503.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.