Finding the Fourth Proportional to 840,283.74, 1,159,590.87 and 458,309.34
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Solution
The fourth proportional to 840,283.74, 1,159,590.87 and 458,309.34 is: 632,466.51
Step by Step Solution
- Step 1: Write the proportion equation
840,283.74 : 1,159,590.87 = 458,309.34 : x - Step 2: Convert to fraction form
840,283.74/1,159,590.87 = 458,309.34/x - Step 3: Cross multiply
840,283.74x = 1,159,590.87 × 458,309.34 - Step 4: Simplify right side
840,283.74x = 531,451,326,299.73 - Step 5: Solve for x
x = 531,451,326,299.73/840,283.74 - Step 6: Final answer
x = 632,466.51
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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.