Finding the Fourth Proportional to 518,726.53, 715,848.08 and 292,372.03
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Solution
The fourth proportional to 518,726.53, 715,848.08 and 292,372.03 is: 403,476.48
Step by Step Solution
- Step 1: Write the proportion equation
518,726.53 : 715,848.08 = 292,372.03 : x - Step 2: Convert to fraction form
518,726.53/715,848.08 = 292,372.03/x - Step 3: Cross multiply
518,726.53x = 715,848.08 × 292,372.03 - Step 4: Simplify right side
518,726.53x = 209,293,957,398.75 - Step 5: Solve for x
x = 209,293,957,398.75/518,726.53 - Step 6: Final answer
x = 403,476.48
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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.