Finding the Fourth Proportional to 977,272.29, 1,464,885.32 and 408,978.99
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Solution
The fourth proportional to 977,272.29, 1,464,885.32 and 408,978.99 is: 613,040.32
Step by Step Solution
- Step 1: Write the proportion equation
977,272.29 : 1,464,885.32 = 408,978.99 : x - Step 2: Convert to fraction form
977,272.29/1,464,885.32 = 408,978.99/x - Step 3: Cross multiply
977,272.29x = 1,464,885.32 × 408,978.99 - Step 4: Simplify right side
977,272.29x = 599,107,316,594.53 - Step 5: Solve for x
x = 599,107,316,594.53/977,272.29 - Step 6: Final answer
x = 613,040.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.