Finding the Fourth Proportional to 926,762.06, 1,389,874.70 and 278,312.12
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Solution
The fourth proportional to 926,762.06, 1,389,874.70 and 278,312.12 is: 417,387.58
Step by Step Solution
- Step 1: Write the proportion equation
926,762.06 : 1,389,874.70 = 278,312.12 : x - Step 2: Convert to fraction form
926,762.06/1,389,874.70 = 278,312.12/x - Step 3: Cross multiply
926,762.06x = 1,389,874.70 × 278,312.12 - Step 4: Simplify right side
926,762.06x = 386,818,974,291.36 - Step 5: Solve for x
x = 386,818,974,291.36/926,762.06 - Step 6: Final answer
x = 417,387.58
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.