Finding the Fourth Proportional to 982,882.03, 1,356,420.85 and 553,189.99
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Solution
The fourth proportional to 982,882.03, 1,356,420.85 and 553,189.99 is: 763,426.75
Step by Step Solution
- Step 1: Write the proportion equation
982,882.03 : 1,356,420.85 = 553,189.99 : x - Step 2: Convert to fraction form
982,882.03/1,356,420.85 = 553,189.99/x - Step 3: Cross multiply
982,882.03x = 1,356,420.85 × 553,189.99 - Step 4: Simplify right side
982,882.03x = 750,358,436,447.29 - Step 5: Solve for x
x = 750,358,436,447.29/982,882.03 - Step 6: Final answer
x = 763,426.75
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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.