Finding the Fourth Proportional to 959,166.84, 1,438,438.76 and 319,298.70
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Solution
The fourth proportional to 959,166.84, 1,438,438.76 and 319,298.70 is: 478,844.35
Step by Step Solution
- Step 1: Write the proportion equation
959,166.84 : 1,438,438.76 = 319,298.70 : x - Step 2: Convert to fraction form
959,166.84/1,438,438.76 = 319,298.70/x - Step 3: Cross multiply
959,166.84x = 1,438,438.76 × 319,298.70 - Step 4: Simplify right side
959,166.84x = 459,291,626,097.61 - Step 5: Solve for x
x = 459,291,626,097.61/959,166.84 - Step 6: Final answer
x = 478,844.35
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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.