Finding the Fourth Proportional to 1,026,214.80, 1,539,490.68 and 316,242.96
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Solution
The fourth proportional to 1,026,214.80, 1,539,490.68 and 316,242.96 is: 474,416.36
Step by Step Solution
- Step 1: Write the proportion equation
1,026,214.80 : 1,539,490.68 = 316,242.96 : x - Step 2: Convert to fraction form
1,026,214.80/1,539,490.68 = 316,242.96/x - Step 3: Cross multiply
1,026,214.80x = 1,539,490.68 × 316,242.96 - Step 4: Simplify right side
1,026,214.80x = 486,853,089,535.61 - Step 5: Solve for x
x = 486,853,089,535.61/1,026,214.80 - Step 6: Final answer
x = 474,416.36
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1.5x scale
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.