Finding the Fourth Proportional to 778,274.32, 1,167,349.15 and 346,125.58
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Solution
The fourth proportional to 778,274.32, 1,167,349.15 and 346,125.58 is: 519,160.65
Step by Step Solution
- Step 1: Write the proportion equation
778,274.32 : 1,167,349.15 = 346,125.58 : x - Step 2: Convert to fraction form
778,274.32/1,167,349.15 = 346,125.58/x - Step 3: Cross multiply
778,274.32x = 1,167,349.15 × 346,125.58 - Step 4: Simplify right side
778,274.32x = 404,049,402,200.13 - Step 5: Solve for x
x = 404,049,402,200.13/778,274.32 - Step 6: Final answer
x = 519,160.65
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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.