Finding the Fourth Proportional to 528,813.51, 791,708.81 and 495,294.09
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Solution
The fourth proportional to 528,813.51, 791,708.81 and 495,294.09 is: 741,525.48
Step by Step Solution
- Step 1: Write the proportion equation
528,813.51 : 791,708.81 = 495,294.09 : x - Step 2: Convert to fraction form
528,813.51/791,708.81 = 495,294.09/x - Step 3: Cross multiply
528,813.51x = 791,708.81 × 495,294.09 - Step 4: Simplify right side
528,813.51x = 392,128,692,117.46 - Step 5: Solve for x
x = 392,128,692,117.46/528,813.51 - Step 6: Final answer
x = 741,525.48
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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.