Finding the Fourth Proportional to 906,726.62, 1,251,290.87 and 493,272.41
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Solution
The fourth proportional to 906,726.62, 1,251,290.87 and 493,272.41 is: 680,720.35
Step by Step Solution
- Step 1: Write the proportion equation
906,726.62 : 1,251,290.87 = 493,272.41 : x - Step 2: Convert to fraction form
906,726.62/1,251,290.87 = 493,272.41/x - Step 3: Cross multiply
906,726.62x = 1,251,290.87 × 493,272.41 - Step 4: Simplify right side
906,726.62x = 617,227,254,333.08 - Step 5: Solve for x
x = 617,227,254,333.08/906,726.62 - Step 6: Final answer
x = 680,720.35
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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.