Finding the Fourth Proportional to 660,564.88, 911,584.26 and 358,758.88
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Solution
The fourth proportional to 660,564.88, 911,584.26 and 358,758.88 is: 495,089.82
Step by Step Solution
- Step 1: Write the proportion equation
660,564.88 : 911,584.26 = 358,758.88 : x - Step 2: Convert to fraction form
660,564.88/911,584.26 = 358,758.88/x - Step 3: Cross multiply
660,564.88x = 911,584.26 × 358,758.88 - Step 4: Simplify right side
660,564.88x = 327,038,948,143.23 - Step 5: Solve for x
x = 327,038,948,143.23/660,564.88 - Step 6: Final answer
x = 495,089.82
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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.