Finding the Fourth Proportional to 712,680.12, 983,466.36 and 426,358.08
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Solution
The fourth proportional to 712,680.12, 983,466.36 and 426,358.08 is: 588,354.88
Step by Step Solution
- Step 1: Write the proportion equation
712,680.12 : 983,466.36 = 426,358.08 : x - Step 2: Convert to fraction form
712,680.12/983,466.36 = 426,358.08/x - Step 3: Cross multiply
712,680.12x = 983,466.36 × 426,358.08 - Step 4: Simplify right side
712,680.12x = 419,308,828,994.19 - Step 5: Solve for x
x = 419,308,828,994.19/712,680.12 - Step 6: Final answer
x = 588,354.88
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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.