Finding the Fourth Proportional to 581,919.84, 802,928.99 and 340,155.63
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Solution
The fourth proportional to 581,919.84, 802,928.99 and 340,155.63 is: 469,344.39
Step by Step Solution
- Step 1: Write the proportion equation
581,919.84 : 802,928.99 = 340,155.63 : x - Step 2: Convert to fraction form
581,919.84/802,928.99 = 340,155.63/x - Step 3: Cross multiply
581,919.84x = 802,928.99 × 340,155.63 - Step 4: Simplify right side
581,919.84x = 273,120,814,737.94 - Step 5: Solve for x
x = 273,120,814,737.94/581,919.84 - Step 6: Final answer
x = 469,344.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.