Finding the Fourth Proportional to 967,521.40, 1,450,844.70 and 434,768.20
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Solution
The fourth proportional to 967,521.40, 1,450,844.70 and 434,768.20 is: 651,955.75
Step by Step Solution
- Step 1: Write the proportion equation
967,521.40 : 1,450,844.70 = 434,768.20 : x - Step 2: Convert to fraction form
967,521.40/1,450,844.70 = 434,768.20/x - Step 3: Cross multiply
967,521.40x = 1,450,844.70 × 434,768.20 - Step 4: Simplify right side
967,521.40x = 630,781,138,698.54 - Step 5: Solve for x
x = 630,781,138,698.54/967,521.40 - Step 6: Final answer
x = 651,955.75
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1.5x scale
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.