Finding the Fourth Proportional to 879,235.80, 1,317,881.70 and 346,579.80
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Solution
The fourth proportional to 879,235.80, 1,317,881.70 and 346,579.80 is: 519,486.55
Step by Step Solution
- Step 1: Write the proportion equation
879,235.80 : 1,317,881.70 = 346,579.80 : x - Step 2: Convert to fraction form
879,235.80/1,317,881.70 = 346,579.80/x - Step 3: Cross multiply
879,235.80x = 1,317,881.70 × 346,579.80 - Step 4: Simplify right side
879,235.80x = 456,751,176,009.66 - Step 5: Solve for x
x = 456,751,176,009.66/879,235.80 - Step 6: Final answer
x = 519,486.55
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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.