Finding the Fourth Proportional to 840,282.63, 1,159,603.85 and 458,309.41
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Solution
The fourth proportional to 840,282.63, 1,159,603.85 and 458,309.41 is: 632,474.52
Step by Step Solution
- Step 1: Write the proportion equation
840,282.63 : 1,159,603.85 = 458,309.41 : x - Step 2: Convert to fraction form
840,282.63/1,159,603.85 = 458,309.41/x - Step 3: Cross multiply
840,282.63x = 1,159,603.85 × 458,309.41 - Step 4: Simplify right side
840,282.63x = 531,457,356,327.23 - Step 5: Solve for x
x = 531,457,356,327.23/840,282.63 - Step 6: Final answer
x = 632,474.52
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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.