Finding the Fourth Proportional to 798,420.42, 1,101,822.35 and 435,844.58
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Solution
The fourth proportional to 798,420.42, 1,101,822.35 and 435,844.58 is: 601,466.70
Step by Step Solution
- Step 1: Write the proportion equation
798,420.42 : 1,101,822.35 = 435,844.58 : x - Step 2: Convert to fraction form
798,420.42/1,101,822.35 = 435,844.58/x - Step 3: Cross multiply
798,420.42x = 1,101,822.35 × 435,844.58 - Step 4: Simplify right side
798,420.42x = 480,223,291,682.03 - Step 5: Solve for x
x = 480,223,291,682.03/798,420.42 - Step 6: Final answer
x = 601,466.70
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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.