Finding the Fourth Proportional to 1,153,276.18, 1,729,266.37 and 478,903.79
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Solution
The fourth proportional to 1,153,276.18, 1,729,266.37 and 478,903.79 is: 718,086.65
Step by Step Solution
- Step 1: Write the proportion equation
1,153,276.18 : 1,729,266.37 = 478,903.79 : x - Step 2: Convert to fraction form
1,153,276.18/1,729,266.37 = 478,903.79/x - Step 3: Cross multiply
1,153,276.18x = 1,729,266.37 × 478,903.79 - Step 4: Simplify right side
1,153,276.18x = 828,152,221,638.45 - Step 5: Solve for x
x = 828,152,221,638.45/1,153,276.18 - Step 6: Final answer
x = 718,086.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.