Finding the Fourth Proportional to 750,440.54, 1,035,600.74 and 406,267.65
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Solution
The fourth proportional to 750,440.54, 1,035,600.74 and 406,267.65 is: 560,645.46
Step by Step Solution
- Step 1: Write the proportion equation
750,440.54 : 1,035,600.74 = 406,267.65 : x - Step 2: Convert to fraction form
750,440.54/1,035,600.74 = 406,267.65/x - Step 3: Cross multiply
750,440.54x = 1,035,600.74 × 406,267.65 - Step 4: Simplify right side
750,440.54x = 420,731,076,946.72 - Step 5: Solve for x
x = 420,731,076,946.72/750,440.54 - Step 6: Final answer
x = 560,645.46
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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.