Finding the Fourth Proportional to 501,544.19, 692,130.99 and 286,688.91
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Solution
The fourth proportional to 501,544.19, 692,130.99 and 286,688.91 is: 395,630.70
Step by Step Solution
- Step 1: Write the proportion equation
501,544.19 : 692,130.99 = 286,688.91 : x - Step 2: Convert to fraction form
501,544.19/692,130.99 = 286,688.91/x - Step 3: Cross multiply
501,544.19x = 692,130.99 × 286,688.91 - Step 4: Simplify right side
501,544.19x = 198,426,279,100.32 - Step 5: Solve for x
x = 198,426,279,100.32/501,544.19 - Step 6: Final answer
x = 395,630.70
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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.