Finding the Fourth Proportional to 617,365.58, 925,416.86 and 417,707.06
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Solution
The fourth proportional to 617,365.58, 925,416.86 and 417,707.06 is: 626,133.31
Step by Step Solution
- Step 1: Write the proportion equation
617,365.58 : 925,416.86 = 417,707.06 : x - Step 2: Convert to fraction form
617,365.58/925,416.86 = 417,707.06/x - Step 3: Cross multiply
617,365.58x = 925,416.86 × 417,707.06 - Step 4: Simplify right side
617,365.58x = 386,553,155,865.03 - Step 5: Solve for x
x = 386,553,155,865.03/617,365.58 - Step 6: Final answer
x = 626,133.31
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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.