Finding the Fourth Proportional to 495,558.93, 683,813.31 and 291,564.99
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Solution
The fourth proportional to 495,558.93, 683,813.31 and 291,564.99 is: 402,325.55
Step by Step Solution
- Step 1: Write the proportion equation
495,558.93 : 683,813.31 = 291,564.99 : x - Step 2: Convert to fraction form
495,558.93/683,813.31 = 291,564.99/x - Step 3: Cross multiply
495,558.93x = 683,813.31 × 291,564.99 - Step 4: Simplify right side
495,558.93x = 199,376,020,892.02 - Step 5: Solve for x
x = 199,376,020,892.02/495,558.93 - Step 6: Final answer
x = 402,325.55
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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.