Finding the Fourth Proportional to 456,438.70, 683,345.85 and 403,950.70
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Solution
The fourth proportional to 456,438.70, 683,345.85 and 403,950.70 is: 604,764.75
Step by Step Solution
- Step 1: Write the proportion equation
456,438.70 : 683,345.85 = 403,950.70 : x - Step 2: Convert to fraction form
456,438.70/683,345.85 = 403,950.70/x - Step 3: Cross multiply
456,438.70x = 683,345.85 × 403,950.70 - Step 4: Simplify right side
456,438.70x = 276,038,034,449.60 - Step 5: Solve for x
x = 276,038,034,449.60/456,438.70 - Step 6: Final answer
x = 604,764.75
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1.5x scale
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.