Finding the Fourth Proportional to 982,924.07, 1,356,478.85 and 553,232.03
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Solution
The fourth proportional to 982,924.07, 1,356,478.85 and 553,232.03 is: 763,484.76
Step by Step Solution
- Step 1: Write the proportion equation
982,924.07 : 1,356,478.85 = 553,232.03 : x - Step 2: Convert to fraction form
982,924.07/1,356,478.85 = 553,232.03/x - Step 3: Cross multiply
982,924.07x = 1,356,478.85 × 553,232.03 - Step 4: Simplify right side
982,924.07x = 750,447,542,438.25 - Step 5: Solve for x
x = 750,447,542,438.25/982,924.07 - Step 6: Final answer
x = 763,484.76
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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.