Finding the Fourth Proportional to 631,281.08, 870,041.57 and 477,951.99
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Solution
The fourth proportional to 631,281.08, 870,041.57 and 477,951.99 is: 658,720.99
Step by Step Solution
- Step 1: Write the proportion equation
631,281.08 : 870,041.57 = 477,951.99 : x - Step 2: Convert to fraction form
631,281.08/870,041.57 = 477,951.99/x - Step 3: Cross multiply
631,281.08x = 870,041.57 × 477,951.99 - Step 4: Simplify right side
631,281.08x = 415,838,099,677.91 - Step 5: Solve for x
x = 415,838,099,677.91/631,281.08 - Step 6: Final answer
x = 658,720.99
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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.