Finding the Fourth Proportional to 438,487.41, 604,701.97 and 291,051.53
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Solution
The fourth proportional to 438,487.41, 604,701.97 and 291,051.53 is: 401,378.52
Step by Step Solution
- Step 1: Write the proportion equation
438,487.41 : 604,701.97 = 291,051.53 : x - Step 2: Convert to fraction form
438,487.41/604,701.97 = 291,051.53/x - Step 3: Cross multiply
438,487.41x = 604,701.97 × 291,051.53 - Step 4: Simplify right side
438,487.41x = 175,999,429,811.38 - Step 5: Solve for x
x = 175,999,429,811.38/438,487.41 - Step 6: Final answer
x = 401,378.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.