Finding the Fourth Proportional to 660,535.61, 911,595.35 and 374,106.65
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Solution
The fourth proportional to 660,535.61, 911,595.35 and 374,106.65 is: 516,299.01
Step by Step Solution
- Step 1: Write the proportion equation
660,535.61 : 911,595.35 = 374,106.65 : x - Step 2: Convert to fraction form
660,535.61/911,595.35 = 374,106.65/x - Step 3: Cross multiply
660,535.61x = 911,595.35 × 374,106.65 - Step 4: Simplify right side
660,535.61x = 341,033,878,921.37 - Step 5: Solve for x
x = 341,033,878,921.37/660,535.61 - Step 6: Final answer
x = 516,299.01
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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.