Finding the Fourth Proportional to 676,484.79, 933,564.09 and 386,090.53
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Solution
The fourth proportional to 676,484.79, 933,564.09 and 386,090.53 is: 532,813.53
Step by Step Solution
- Step 1: Write the proportion equation
676,484.79 : 933,564.09 = 386,090.53 : x - Step 2: Convert to fraction form
676,484.79/933,564.09 = 386,090.53/x - Step 3: Cross multiply
676,484.79x = 933,564.09 × 386,090.53 - Step 4: Simplify right side
676,484.79x = 360,440,250,829.79 - Step 5: Solve for x
x = 360,440,250,829.79/676,484.79 - Step 6: Final answer
x = 532,813.53
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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.