Finding the Fourth Proportional to 750,354.24, 1,035,587.40 and 427,990.32
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Solution
The fourth proportional to 750,354.24, 1,035,587.40 and 427,990.32 is: 590,682.85
Step by Step Solution
- Step 1: Write the proportion equation
750,354.24 : 1,035,587.40 = 427,990.32 : x - Step 2: Convert to fraction form
750,354.24/1,035,587.40 = 427,990.32/x - Step 3: Cross multiply
750,354.24x = 1,035,587.40 × 427,990.32 - Step 4: Simplify right side
750,354.24x = 443,221,382,713.97 - Step 5: Solve for x
x = 443,221,382,713.97/750,354.24 - Step 6: Final answer
x = 590,682.85
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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.