Finding the Fourth Proportional to 479,560.15, 717,155.10 and 358,065.68
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Solution
The fourth proportional to 479,560.15, 717,155.10 and 358,065.68 is: 535,466.99
Step by Step Solution
- Step 1: Write the proportion equation
479,560.15 : 717,155.10 = 358,065.68 : x - Step 2: Convert to fraction form
479,560.15/717,155.10 = 358,065.68/x - Step 3: Cross multiply
479,560.15x = 717,155.10 × 358,065.68 - Step 4: Simplify right side
479,560.15x = 256,788,628,048.37 - Step 5: Solve for x
x = 256,788,628,048.37/479,560.15 - Step 6: Final answer
x = 535,466.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.