Finding the Fourth Proportional to 977,416.74, 1,348,871.58 and 547,680.96
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Solution
The fourth proportional to 977,416.74, 1,348,871.58 and 547,680.96 is: 755,820.17
Step by Step Solution
- Step 1: Write the proportion equation
977,416.74 : 1,348,871.58 = 547,680.96 : x - Step 2: Convert to fraction form
977,416.74/1,348,871.58 = 547,680.96/x - Step 3: Cross multiply
977,416.74x = 1,348,871.58 × 547,680.96 - Step 4: Simplify right side
977,416.74x = 738,751,281,851.12 - Step 5: Solve for x
x = 738,751,281,851.12/977,416.74 - Step 6: Final answer
x = 755,820.17
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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.