Finding the Fourth Proportional to 1,480,839.80, 2,221,259.68 and 358,908.80
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Solution
The fourth proportional to 1,480,839.80, 2,221,259.68 and 358,908.80 is: 538,363.20
Step by Step Solution
- Step 1: Write the proportion equation
1,480,839.80 : 2,221,259.68 = 358,908.80 : x - Step 2: Convert to fraction form
1,480,839.80/2,221,259.68 = 358,908.80/x - Step 3: Cross multiply
1,480,839.80x = 2,221,259.68 × 358,908.80 - Step 4: Simplify right side
1,480,839.80x = 797,229,646,237.18 - Step 5: Solve for x
x = 797,229,646,237.18/1,480,839.80 - Step 6: Final answer
x = 538,363.20
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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.