Finding the Fourth Proportional to 690,925.94, 953,548.74 and 415,373.00
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Solution
The fourth proportional to 690,925.94, 953,548.74 and 415,373.00 is: 573,257.39
Step by Step Solution
- Step 1: Write the proportion equation
690,925.94 : 953,548.74 = 415,373.00 : x - Step 2: Convert to fraction form
690,925.94/953,548.74 = 415,373.00/x - Step 3: Cross multiply
690,925.94x = 953,548.74 × 415,373.00 - Step 4: Simplify right side
690,925.94x = 396,078,396,012.28 - Step 5: Solve for x
x = 396,078,396,012.28/690,925.94 - Step 6: Final answer
x = 573,257.39
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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.