Finding the Fourth Proportional to 640,941.09, 884,462.70 and 350,495.01
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Solution
The fourth proportional to 640,941.09, 884,462.70 and 350,495.01 is: 483,663.43
Step by Step Solution
- Step 1: Write the proportion equation
640,941.09 : 884,462.70 = 350,495.01 : x - Step 2: Convert to fraction form
640,941.09/884,462.70 = 350,495.01/x - Step 3: Cross multiply
640,941.09x = 884,462.70 × 350,495.01 - Step 4: Simplify right side
640,941.09x = 309,999,762,881.13 - Step 5: Solve for x
x = 309,999,762,881.13/640,941.09 - Step 6: Final answer
x = 483,663.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.