Finding the Fourth Proportional to 624,267.77, 861,339.71 and 379,247.63
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Solution
The fourth proportional to 624,267.77, 861,339.71 and 379,247.63 is: 523,270.71
Step by Step Solution
- Step 1: Write the proportion equation
624,267.77 : 861,339.71 = 379,247.63 : x - Step 2: Convert to fraction form
624,267.77/861,339.71 = 379,247.63/x - Step 3: Cross multiply
624,267.77x = 861,339.71 × 379,247.63 - Step 4: Simplify right side
624,267.77x = 326,661,041,746.15 - Step 5: Solve for x
x = 326,661,041,746.15/624,267.77 - Step 6: Final answer
x = 523,270.71
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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.