Finding the Fourth Proportional to 1,009,528.07, 1,393,148.74 and 550,642.65
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Solution
The fourth proportional to 1,009,528.07, 1,393,148.74 and 550,642.65 is: 759,886.86
Step by Step Solution
- Step 1: Write the proportion equation
1,009,528.07 : 1,393,148.74 = 550,642.65 : x - Step 2: Convert to fraction form
1,009,528.07/1,393,148.74 = 550,642.65/x - Step 3: Cross multiply
1,009,528.07x = 1,393,148.74 × 550,642.65 - Step 4: Simplify right side
1,009,528.07x = 767,127,113,390.33 - Step 5: Solve for x
x = 767,127,113,390.33/1,009,528.07 - Step 6: Final answer
x = 759,886.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.