Finding the Fourth Proportional to 772,037.99, 1,065,454.91 and 427,866.75
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Solution
The fourth proportional to 772,037.99, 1,065,454.91 and 427,866.75 is: 590,479.66
Step by Step Solution
- Step 1: Write the proportion equation
772,037.99 : 1,065,454.91 = 427,866.75 : x - Step 2: Convert to fraction form
772,037.99/1,065,454.91 = 427,866.75/x - Step 3: Cross multiply
772,037.99x = 1,065,454.91 × 427,866.75 - Step 4: Simplify right side
772,037.99x = 455,872,727,473.91 - Step 5: Solve for x
x = 455,872,727,473.91/772,037.99 - Step 6: Final answer
x = 590,479.66
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1.5x scale
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.