Finding the Fourth Proportional to 842,774.22, 1,163,028.40 and 460,800.99
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Solution
The fourth proportional to 842,774.22, 1,163,028.40 and 460,800.99 is: 635,905.35
Step by Step Solution
- Step 1: Write the proportion equation
842,774.22 : 1,163,028.40 = 460,800.99 : x - Step 2: Convert to fraction form
842,774.22/1,163,028.40 = 460,800.99/x - Step 3: Cross multiply
842,774.22x = 1,163,028.40 × 460,800.99 - Step 4: Simplify right side
842,774.22x = 535,924,636,966.11 - Step 5: Solve for x
x = 535,924,636,966.11/842,774.22 - Step 6: Final answer
x = 635,905.35
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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.