Finding the Fourth Proportional to 897,729.88, 1,238,781.18 and 495,295.96
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Solution
The fourth proportional to 897,729.88, 1,238,781.18 and 495,295.96 is: 683,460.95
Step by Step Solution
- Step 1: Write the proportion equation
897,729.88 : 1,238,781.18 = 495,295.96 : x - Step 2: Convert to fraction form
897,729.88/1,238,781.18 = 495,295.96/x - Step 3: Cross multiply
897,729.88x = 1,238,781.18 × 495,295.96 - Step 4: Simplify right side
897,729.88x = 613,563,313,778.03 - Step 5: Solve for x
x = 613,563,313,778.03/897,729.88 - Step 6: Final answer
x = 683,460.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.