Finding the Fourth Proportional to 817,490.17, 1,225,823.14 and 248,762.19
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Solution
The fourth proportional to 817,490.17, 1,225,823.14 and 248,762.19 is: 373,017.88
Step by Step Solution
- Step 1: Write the proportion equation
817,490.17 : 1,225,823.14 = 248,762.19 : x - Step 2: Convert to fraction form
817,490.17/1,225,823.14 = 248,762.19/x - Step 3: Cross multiply
817,490.17x = 1,225,823.14 × 248,762.19 - Step 4: Simplify right side
817,490.17x = 304,938,447,571.26 - Step 5: Solve for x
x = 304,938,447,571.26/817,490.17 - Step 6: Final answer
x = 373,017.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.