Finding the Fourth Proportional to 610,811.24, 916,314.06 and 295,291.40
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Solution
The fourth proportional to 610,811.24, 916,314.06 and 295,291.40 is: 442,984.09
Step by Step Solution
- Step 1: Write the proportion equation
610,811.24 : 916,314.06 = 295,291.40 : x - Step 2: Convert to fraction form
610,811.24/916,314.06 = 295,291.40/x - Step 3: Cross multiply
610,811.24x = 916,314.06 × 295,291.40 - Step 4: Simplify right side
610,811.24x = 270,579,661,617.08 - Step 5: Solve for x
x = 270,579,661,617.08/610,811.24 - Step 6: Final answer
x = 442,984.09
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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.