Finding the Fourth Proportional to 919,655.40, 1,379,541.41 and 288,594.12
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Solution
The fourth proportional to 919,655.40, 1,379,541.41 and 288,594.12 is: 432,909.48
Step by Step Solution
- Step 1: Write the proportion equation
919,655.40 : 1,379,541.41 = 288,594.12 : x - Step 2: Convert to fraction form
919,655.40/1,379,541.41 = 288,594.12/x - Step 3: Cross multiply
919,655.40x = 1,379,541.41 × 288,594.12 - Step 4: Simplify right side
919,655.40x = 398,127,539,222.51 - Step 5: Solve for x
x = 398,127,539,222.51/919,655.40 - Step 6: Final answer
x = 432,909.48
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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.