Finding the Fourth Proportional to 507,947.24, 700,968.18 and 281,592.74
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Solution
The fourth proportional to 507,947.24, 700,968.18 and 281,592.74 is: 388,598.53
Step by Step Solution
- Step 1: Write the proportion equation
507,947.24 : 700,968.18 = 281,592.74 : x - Step 2: Convert to fraction form
507,947.24/700,968.18 = 281,592.74/x - Step 3: Cross multiply
507,947.24x = 700,968.18 × 281,592.74 - Step 4: Simplify right side
507,947.24x = 197,387,546,954.17 - Step 5: Solve for x
x = 197,387,546,954.17/507,947.24 - Step 6: Final answer
x = 388,598.53
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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.