Finding the Fourth Proportional to 917,055.76, 1,375,600.08 and 318,038.08
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Solution
The fourth proportional to 917,055.76, 1,375,600.08 and 318,038.08 is: 477,062.82
Step by Step Solution
- Step 1: Write the proportion equation
917,055.76 : 1,375,600.08 = 318,038.08 : x - Step 2: Convert to fraction form
917,055.76/1,375,600.08 = 318,038.08/x - Step 3: Cross multiply
917,055.76x = 1,375,600.08 × 318,038.08 - Step 4: Simplify right side
917,055.76x = 437,493,208,291.05 - Step 5: Solve for x
x = 437,493,208,291.05/917,055.76 - Step 6: Final answer
x = 477,062.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.