Finding the Fourth Proportional to 875,103.08, 1,207,533.30 and 487,823.45
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Solution
The fourth proportional to 875,103.08, 1,207,533.30 and 487,823.45 is: 673,135.63
Step by Step Solution
- Step 1: Write the proportion equation
875,103.08 : 1,207,533.30 = 487,823.45 : x - Step 2: Convert to fraction form
875,103.08/1,207,533.30 = 487,823.45/x - Step 3: Cross multiply
875,103.08x = 1,207,533.30 × 487,823.45 - Step 4: Simplify right side
875,103.08x = 589,063,060,395.89 - Step 5: Solve for x
x = 589,063,060,395.89/875,103.08 - Step 6: Final answer
x = 673,135.63
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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.