Finding the Fourth Proportional to 724,373.76, 999,585.76 and 402,058.49
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Solution
The fourth proportional to 724,373.76, 999,585.76 and 402,058.49 is: 554,812.95
Step by Step Solution
- Step 1: Write the proportion equation
724,373.76 : 999,585.76 = 402,058.49 : x - Step 2: Convert to fraction form
724,373.76/999,585.76 = 402,058.49/x - Step 3: Cross multiply
724,373.76x = 999,585.76 × 402,058.49 - Step 4: Simplify right side
724,373.76x = 401,891,941,291.10 - Step 5: Solve for x
x = 401,891,941,291.10/724,373.76 - Step 6: Final answer
x = 554,812.95
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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.