Finding the Fourth Proportional to 771,023.90, 1,064,495.97 and 495,493.49
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Solution
The fourth proportional to 771,023.90, 1,064,495.97 and 495,493.49 is: 684,091.40
Step by Step Solution
- Step 1: Write the proportion equation
771,023.90 : 1,064,495.97 = 495,493.49 : x - Step 2: Convert to fraction form
771,023.90/1,064,495.97 = 495,493.49/x - Step 3: Cross multiply
771,023.90x = 1,064,495.97 × 495,493.49 - Step 4: Simplify right side
771,023.90x = 527,450,817,943.76 - Step 5: Solve for x
x = 527,450,817,943.76/771,023.90 - Step 6: Final answer
x = 684,091.40
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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.