Finding the Fourth Proportional to 665,869.91, 999,515.63 and 286,977.63
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Solution
The fourth proportional to 665,869.91, 999,515.63 and 286,977.63 is: 430,772.77
Step by Step Solution
- Step 1: Write the proportion equation
665,869.91 : 999,515.63 = 286,977.63 : x - Step 2: Convert to fraction form
665,869.91/999,515.63 = 286,977.63/x - Step 3: Cross multiply
665,869.91x = 999,515.63 × 286,977.63 - Step 4: Simplify right side
665,869.91x = 286,838,626,645.36 - Step 5: Solve for x
x = 286,838,626,645.36/665,869.91 - Step 6: Final answer
x = 430,772.77
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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.