Finding the Fourth Proportional to 1,046,521.80, 1,569,782.70 and 258,553.80
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Solution
The fourth proportional to 1,046,521.80, 1,569,782.70 and 258,553.80 is: 387,830.70
Step by Step Solution
- Step 1: Write the proportion equation
1,046,521.80 : 1,569,782.70 = 258,553.80 : x - Step 2: Convert to fraction form
1,046,521.80/1,569,782.70 = 258,553.80/x - Step 3: Cross multiply
1,046,521.80x = 1,569,782.70 × 258,553.80 - Step 4: Simplify right side
1,046,521.80x = 405,873,282,259.26 - Step 5: Solve for x
x = 405,873,282,259.26/1,046,521.80 - Step 6: Final answer
x = 387,830.70
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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.