Finding the Fourth Proportional to 708,593.13, 977,877.12 and 436,840.61
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Solution
The fourth proportional to 708,593.13, 977,877.12 and 436,840.61 is: 602,851.50
Step by Step Solution
- Step 1: Write the proportion equation
708,593.13 : 977,877.12 = 436,840.61 : x - Step 2: Convert to fraction form
708,593.13/977,877.12 = 436,840.61/x - Step 3: Cross multiply
708,593.13x = 977,877.12 × 436,840.61 - Step 4: Simplify right side
708,593.13x = 427,176,432,716.46 - Step 5: Solve for x
x = 427,176,432,716.46/708,593.13 - Step 6: Final answer
x = 602,851.50
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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.