Finding the Fourth Proportional to 559,641.37, 772,282.56 and 304,987.09
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Solution
The fourth proportional to 559,641.37, 772,282.56 and 304,987.09 is: 420,869.91
Step by Step Solution
- Step 1: Write the proportion equation
559,641.37 : 772,282.56 = 304,987.09 : x - Step 2: Convert to fraction form
559,641.37/772,282.56 = 304,987.09/x - Step 3: Cross multiply
559,641.37x = 772,282.56 × 304,987.09 - Step 4: Simplify right side
559,641.37x = 235,536,210,632.15 - Step 5: Solve for x
x = 235,536,210,632.15/559,641.37 - Step 6: Final answer
x = 420,869.91
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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.