Finding the Fourth Proportional to 578,299.14, 867,656.16 and 258,424.20
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Solution
The fourth proportional to 578,299.14, 867,656.16 and 258,424.20 is: 387,729.00
Step by Step Solution
- Step 1: Write the proportion equation
578,299.14 : 867,656.16 = 258,424.20 : x - Step 2: Convert to fraction form
578,299.14/867,656.16 = 258,424.20/x - Step 3: Cross multiply
578,299.14x = 867,656.16 × 258,424.20 - Step 4: Simplify right side
578,299.14x = 224,223,349,023.07 - Step 5: Solve for x
x = 224,223,349,023.07/578,299.14 - Step 6: Final answer
x = 387,729.00
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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.