Finding the Fourth Proportional to 876,258.44, 1,208,776.92 and 761,278.74
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Solution
The fourth proportional to 876,258.44, 1,208,776.92 and 761,278.74 is: 1,050,165.26
Step by Step Solution
- Step 1: Write the proportion equation
876,258.44 : 1,208,776.92 = 761,278.74 : x - Step 2: Convert to fraction form
876,258.44/1,208,776.92 = 761,278.74/x - Step 3: Cross multiply
876,258.44x = 1,208,776.92 × 761,278.74 - Step 4: Simplify right side
876,258.44x = 920,216,170,598.68 - Step 5: Solve for x
x = 920,216,170,598.68/876,258.44 - Step 6: Final answer
x = 1,050,165.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.