Finding the Fourth Proportional to 519,346.37, 779,018.83 and 288,681.99
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Solution
The fourth proportional to 519,346.37, 779,018.83 and 288,681.99 is: 433,022.58
Step by Step Solution
- Step 1: Write the proportion equation
519,346.37 : 779,018.83 = 288,681.99 : x - Step 2: Convert to fraction form
519,346.37/779,018.83 = 288,681.99/x - Step 3: Cross multiply
519,346.37x = 779,018.83 × 288,681.99 - Step 4: Simplify right side
519,346.37x = 224,888,706,091.87 - Step 5: Solve for x
x = 224,888,706,091.87/519,346.37 - Step 6: Final answer
x = 433,022.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.