Finding the Fourth Proportional to 817,318.18, 1,127,881.50 and 473,168.66
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Solution
The fourth proportional to 817,318.18, 1,127,881.50 and 473,168.66 is: 652,962.56
Step by Step Solution
- Step 1: Write the proportion equation
817,318.18 : 1,127,881.50 = 473,168.66 : x - Step 2: Convert to fraction form
817,318.18/1,127,881.50 = 473,168.66/x - Step 3: Cross multiply
817,318.18x = 1,127,881.50 × 473,168.66 - Step 4: Simplify right side
817,318.18x = 533,678,170,580.00 - Step 5: Solve for x
x = 533,678,170,580.00/817,318.18 - Step 6: Final answer
x = 652,962.56
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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.