Finding the Fourth Proportional to 840,256.74, 1,259,739.10 and 435,014.53
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Solution
The fourth proportional to 840,256.74, 1,259,739.10 and 435,014.53 is: 652,187.34
Step by Step Solution
- Step 1: Write the proportion equation
840,256.74 : 1,259,739.10 = 435,014.53 : x - Step 2: Convert to fraction form
840,256.74/1,259,739.10 = 435,014.53/x - Step 3: Cross multiply
840,256.74x = 1,259,739.10 × 435,014.53 - Step 4: Simplify right side
840,256.74x = 548,004,808,272.24 - Step 5: Solve for x
x = 548,004,808,272.24/840,256.74 - Step 6: Final answer
x = 652,187.34
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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.