Finding the Fourth Proportional to 984,678.84, 1,477,017.05 and 353,593.26
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Solution
The fourth proportional to 984,678.84, 1,477,017.05 and 353,593.26 is: 530,389.45
Step by Step Solution
- Step 1: Write the proportion equation
984,678.84 : 1,477,017.05 = 353,593.26 : x - Step 2: Convert to fraction form
984,678.84/1,477,017.05 = 353,593.26/x - Step 3: Cross multiply
984,678.84x = 1,477,017.05 × 353,593.26 - Step 4: Simplify right side
984,678.84x = 522,263,272,017.12 - Step 5: Solve for x
x = 522,263,272,017.12/984,678.84 - Step 6: Final answer
x = 530,389.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.