Finding the Fourth Proportional to 740,457.62, 1,110,466.35 and 313,987.14
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Solution
The fourth proportional to 740,457.62, 1,110,466.35 and 313,987.14 is: 470,887.39
Step by Step Solution
- Step 1: Write the proportion equation
740,457.62 : 1,110,466.35 = 313,987.14 : x - Step 2: Convert to fraction form
740,457.62/1,110,466.35 = 313,987.14/x - Step 3: Cross multiply
740,457.62x = 1,110,466.35 × 313,987.14 - Step 4: Simplify right side
740,457.62x = 348,672,153,302.74 - Step 5: Solve for x
x = 348,672,153,302.74/740,457.62 - Step 6: Final answer
x = 470,887.39
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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.