Finding the Fourth Proportional to 568,330.69, 784,292.43 and 313,681.87
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Solution
The fourth proportional to 568,330.69, 784,292.43 and 313,681.87 is: 432,878.82
Step by Step Solution
- Step 1: Write the proportion equation
568,330.69 : 784,292.43 = 313,681.87 : x - Step 2: Convert to fraction form
568,330.69/784,292.43 = 313,681.87/x - Step 3: Cross multiply
568,330.69x = 784,292.43 × 313,681.87 - Step 4: Simplify right side
568,330.69x = 246,018,316,069.24 - Step 5: Solve for x
x = 246,018,316,069.24/568,330.69 - Step 6: Final answer
x = 432,878.82
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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.