Finding the Fourth Proportional to 917,830.44, 1,376,537.76 and 349,008.75
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Solution
The fourth proportional to 917,830.44, 1,376,537.76 and 349,008.75 is: 523,434.07
Step by Step Solution
- Step 1: Write the proportion equation
917,830.44 : 1,376,537.76 = 349,008.75 : x - Step 2: Convert to fraction form
917,830.44/1,376,537.76 = 349,008.75/x - Step 3: Cross multiply
917,830.44x = 1,376,537.76 × 349,008.75 - Step 4: Simplify right side
917,830.44x = 480,423,722,945.40 - Step 5: Solve for x
x = 480,423,722,945.40/917,830.44 - Step 6: Final answer
x = 523,434.07
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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.