Finding the Fourth Proportional to 750,467.19, 1,035,644.94 and 406,303.05
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Solution
The fourth proportional to 750,467.19, 1,035,644.94 and 406,303.05 is: 560,698.33
Step by Step Solution
- Step 1: Write the proportion equation
750,467.19 : 1,035,644.94 = 406,303.05 : x - Step 2: Convert to fraction form
750,467.19/1,035,644.94 = 406,303.05/x - Step 3: Cross multiply
750,467.19x = 1,035,644.94 × 406,303.05 - Step 4: Simplify right side
750,467.19x = 420,785,697,839.07 - Step 5: Solve for x
x = 420,785,697,839.07/750,467.19 - Step 6: Final answer
x = 560,698.33
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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.