Finding the Fourth Proportional to 1,030,335.12, 1,545,485.40 and 282,381.12
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Solution
The fourth proportional to 1,030,335.12, 1,545,485.40 and 282,381.12 is: 423,566.94
Step by Step Solution
- Step 1: Write the proportion equation
1,030,335.12 : 1,545,485.40 = 282,381.12 : x - Step 2: Convert to fraction form
1,030,335.12/1,545,485.40 = 282,381.12/x - Step 3: Cross multiply
1,030,335.12x = 1,545,485.40 × 282,381.12 - Step 4: Simplify right side
1,030,335.12x = 436,415,898,195.65 - Step 5: Solve for x
x = 436,415,898,195.65/1,030,335.12 - Step 6: Final answer
x = 423,566.94
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1.5x scale
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.