Finding the Fourth Proportional to 719,460.80, 992,926.56 and 417,636.80
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Solution
The fourth proportional to 719,460.80, 992,926.56 and 417,636.80 is: 576,379.80
Step by Step Solution
- Step 1: Write the proportion equation
719,460.80 : 992,926.56 = 417,636.80 : x - Step 2: Convert to fraction form
719,460.80/992,926.56 = 417,636.80/x - Step 3: Cross multiply
719,460.80x = 992,926.56 × 417,636.80 - Step 4: Simplify right side
719,460.80x = 414,682,671,153.41 - Step 5: Solve for x
x = 414,682,671,153.41/719,460.80 - Step 6: Final answer
x = 576,379.80
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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.