Finding the Fourth Proportional to 872,225.68, 1,203,705.56 and 490,251.28
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Solution
The fourth proportional to 872,225.68, 1,203,705.56 and 490,251.28 is: 676,565.95
Step by Step Solution
- Step 1: Write the proportion equation
872,225.68 : 1,203,705.56 = 490,251.28 : x - Step 2: Convert to fraction form
872,225.68/1,203,705.56 = 490,251.28/x - Step 3: Cross multiply
872,225.68x = 1,203,705.56 × 490,251.28 - Step 4: Simplify right side
872,225.68x = 590,118,191,533.12 - Step 5: Solve for x
x = 590,118,191,533.12/872,225.68 - Step 6: Final answer
x = 676,565.95
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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.