Finding the Fourth Proportional to 944,948.60, 1,416,515.70 and 313,537.40
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Solution
The fourth proportional to 944,948.60, 1,416,515.70 and 313,537.40 is: 470,005.09
Step by Step Solution
- Step 1: Write the proportion equation
944,948.60 : 1,416,515.70 = 313,537.40 : x - Step 2: Convert to fraction form
944,948.60/1,416,515.70 = 313,537.40/x - Step 3: Cross multiply
944,948.60x = 1,416,515.70 × 313,537.40 - Step 4: Simplify right side
944,948.60x = 444,130,649,637.18 - Step 5: Solve for x
x = 444,130,649,637.18/944,948.60 - Step 6: Final answer
x = 470,005.09
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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.