Finding the Fourth Proportional to 1,030,428.75, 1,421,991.68 and 600,726.99
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Solution
The fourth proportional to 1,030,428.75, 1,421,991.68 and 600,726.99 is: 829,003.25
Step by Step Solution
- Step 1: Write the proportion equation
1,030,428.75 : 1,421,991.68 = 600,726.99 : x - Step 2: Convert to fraction form
1,030,428.75/1,421,991.68 = 600,726.99/x - Step 3: Cross multiply
1,030,428.75x = 1,421,991.68 × 600,726.99 - Step 4: Simplify right side
1,030,428.75x = 854,228,778,727.81 - Step 5: Solve for x
x = 854,228,778,727.81/1,030,428.75 - Step 6: Final answer
x = 829,003.25
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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.