Finding the Fourth Proportional to 688,392.46, 949,716.12 and 507,534.31
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Solution
The fourth proportional to 688,392.46, 949,716.12 and 507,534.31 is: 700,201.62
Step by Step Solution
- Step 1: Write the proportion equation
688,392.46 : 949,716.12 = 507,534.31 : x - Step 2: Convert to fraction form
688,392.46/949,716.12 = 507,534.31/x - Step 3: Cross multiply
688,392.46x = 949,716.12 × 507,534.31 - Step 4: Simplify right side
688,392.46x = 482,013,515,660.08 - Step 5: Solve for x
x = 482,013,515,660.08/688,392.46 - Step 6: Final answer
x = 700,201.62
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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.