Finding the Fourth Proportional to 814,572.84, 1,124,056.50 and 451,973.71
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Solution
The fourth proportional to 814,572.84, 1,124,056.50 and 451,973.71 is: 623,693.75
Step by Step Solution
- Step 1: Write the proportion equation
814,572.84 : 1,124,056.50 = 451,973.71 : x - Step 2: Convert to fraction form
814,572.84/1,124,056.50 = 451,973.71/x - Step 3: Cross multiply
814,572.84x = 1,124,056.50 × 451,973.71 - Step 4: Simplify right side
814,572.84x = 508,043,986,554.62 - Step 5: Solve for x
x = 508,043,986,554.62/814,572.84 - Step 6: Final answer
x = 623,693.75
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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.