Finding the Fourth Proportional to 1,455,235.80, 2,182,853.70 and 457,963.80
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Solution
The fourth proportional to 1,455,235.80, 2,182,853.70 and 457,963.80 is: 686,945.70
Step by Step Solution
- Step 1: Write the proportion equation
1,455,235.80 : 2,182,853.70 = 457,963.80 : x - Step 2: Convert to fraction form
1,455,235.80/2,182,853.70 = 457,963.80/x - Step 3: Cross multiply
1,455,235.80x = 2,182,853.70 × 457,963.80 - Step 4: Simplify right side
1,455,235.80x = 999,667,975,296.06 - Step 5: Solve for x
x = 999,667,975,296.06/1,455,235.80 - Step 6: Final answer
x = 686,945.70
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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.