Finding the Fourth Proportional to 845,931.94, 1,167,395.12 and 458,748.09
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Solution
The fourth proportional to 845,931.94, 1,167,395.12 and 458,748.09 is: 633,077.27
Step by Step Solution
- Step 1: Write the proportion equation
845,931.94 : 1,167,395.12 = 458,748.09 : x - Step 2: Convert to fraction form
845,931.94/1,167,395.12 = 458,748.09/x - Step 3: Cross multiply
845,931.94x = 1,167,395.12 × 458,748.09 - Step 4: Simplify right side
845,931.94x = 535,540,281,001.89 - Step 5: Solve for x
x = 535,540,281,001.89/845,931.94 - Step 6: Final answer
x = 633,077.27
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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.