Finding the Fourth Proportional to 1,026,464.74, 1,539,598.15 and 316,302.10
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Solution
The fourth proportional to 1,026,464.74, 1,539,598.15 and 316,302.10 is: 474,422.66
Step by Step Solution
- Step 1: Write the proportion equation
1,026,464.74 : 1,539,598.15 = 316,302.10 : x - Step 2: Convert to fraction form
1,026,464.74/1,539,598.15 = 316,302.10/x - Step 3: Cross multiply
1,026,464.74x = 1,539,598.15 × 316,302.10 - Step 4: Simplify right side
1,026,464.74x = 486,978,128,001.12 - Step 5: Solve for x
x = 486,978,128,001.12/1,026,464.74 - Step 6: Final answer
x = 474,422.66
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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.