Finding the Fourth Proportional to 528,106.08, 790,867.21 and 476,930.28
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Solution
The fourth proportional to 528,106.08, 790,867.21 and 476,930.28 is: 714,228.70
Step by Step Solution
- Step 1: Write the proportion equation
528,106.08 : 790,867.21 = 476,930.28 : x - Step 2: Convert to fraction form
528,106.08/790,867.21 = 476,930.28/x - Step 3: Cross multiply
528,106.08x = 790,867.21 × 476,930.28 - Step 4: Simplify right side
528,106.08x = 377,188,519,908.12 - Step 5: Solve for x
x = 377,188,519,908.12/528,106.08 - Step 6: Final answer
x = 714,228.70
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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.