Finding the Fourth Proportional to 976,901.80, 1,465,352.70 and 603,653.80
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Solution
The fourth proportional to 976,901.80, 1,465,352.70 and 603,653.80 is: 905,480.70
Step by Step Solution
- Step 1: Write the proportion equation
976,901.80 : 1,465,352.70 = 603,653.80 : x - Step 2: Convert to fraction form
976,901.80/1,465,352.70 = 603,653.80/x - Step 3: Cross multiply
976,901.80x = 1,465,352.70 × 603,653.80 - Step 4: Simplify right side
976,901.80x = 884,565,725,695.26 - Step 5: Solve for x
x = 884,565,725,695.26/976,901.80 - Step 6: Final answer
x = 905,480.70
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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.