Finding the Fourth Proportional to 750,559.71, 1,034,742.80 and 474,780.36
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Solution
The fourth proportional to 750,559.71, 1,034,742.80 and 474,780.36 is: 654,545.60
Step by Step Solution
- Step 1: Write the proportion equation
750,559.71 : 1,034,742.80 = 474,780.36 : x - Step 2: Convert to fraction form
750,559.71/1,034,742.80 = 474,780.36/x - Step 3: Cross multiply
750,559.71x = 1,034,742.80 × 474,780.36 - Step 4: Simplify right side
750,559.71x = 491,275,559,091.41 - Step 5: Solve for x
x = 491,275,559,091.41/750,559.71 - Step 6: Final answer
x = 654,545.60
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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.