Finding the Fourth Proportional to 742,281.98, 1,024,361.03 and 402,750.23
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Solution
The fourth proportional to 742,281.98, 1,024,361.03 and 402,750.23 is: 555,801.77
Step by Step Solution
- Step 1: Write the proportion equation
742,281.98 : 1,024,361.03 = 402,750.23 : x - Step 2: Convert to fraction form
742,281.98/1,024,361.03 = 402,750.23/x - Step 3: Cross multiply
742,281.98x = 1,024,361.03 × 402,750.23 - Step 4: Simplify right side
742,281.98x = 412,561,636,320.61 - Step 5: Solve for x
x = 412,561,636,320.61/742,281.98 - Step 6: Final answer
x = 555,801.77
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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.