Finding the Fourth Proportional to 1,241,784.09, 1,862,624.29 and 355,320.09
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Solution
The fourth proportional to 1,241,784.09, 1,862,624.29 and 355,320.09 is: 532,965.30
Step by Step Solution
- Step 1: Write the proportion equation
1,241,784.09 : 1,862,624.29 = 355,320.09 : x - Step 2: Convert to fraction form
1,241,784.09/1,862,624.29 = 355,320.09/x - Step 3: Cross multiply
1,241,784.09x = 1,862,624.29 × 355,320.09 - Step 4: Simplify right side
1,241,784.09x = 661,827,830,358.99 - Step 5: Solve for x
x = 661,827,830,358.99/1,241,784.09 - Step 6: Final answer
x = 532,965.30
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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.