Finding the Fourth Proportional to 891,439.34, 1,337,355.81 and 330,473.84
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Solution
The fourth proportional to 891,439.34, 1,337,355.81 and 330,473.84 is: 495,783.71
Step by Step Solution
- Step 1: Write the proportion equation
891,439.34 : 1,337,355.81 = 330,473.84 : x - Step 2: Convert to fraction form
891,439.34/1,337,355.81 = 330,473.84/x - Step 3: Cross multiply
891,439.34x = 1,337,355.81 × 330,473.84 - Step 4: Simplify right side
891,439.34x = 441,961,103,290.23 - Step 5: Solve for x
x = 441,961,103,290.23/891,439.34 - Step 6: Final answer
x = 495,783.71
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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.