Finding the Fourth Proportional to 840,499.41, 1,159,866.21 and 458,526.09
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Solution
The fourth proportional to 840,499.41, 1,159,866.21 and 458,526.09 is: 632,753.47
Step by Step Solution
- Step 1: Write the proportion equation
840,499.41 : 1,159,866.21 = 458,526.09 : x - Step 2: Convert to fraction form
840,499.41/1,159,866.21 = 458,526.09/x - Step 3: Cross multiply
840,499.41x = 1,159,866.21 × 458,526.09 - Step 4: Simplify right side
840,499.41x = 531,828,918,194.42 - Step 5: Solve for x
x = 531,828,918,194.42/840,499.41 - Step 6: Final answer
x = 632,753.47
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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.