Finding the Fourth Proportional to 947,113.49, 1,421,230.73 and 348,495.02
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Solution
The fourth proportional to 947,113.49, 1,421,230.73 and 348,495.02 is: 522,948.76
Step by Step Solution
- Step 1: Write the proportion equation
947,113.49 : 1,421,230.73 = 348,495.02 : x - Step 2: Convert to fraction form
947,113.49/1,421,230.73 = 348,495.02/x - Step 3: Cross multiply
947,113.49x = 1,421,230.73 × 348,495.02 - Step 4: Simplify right side
947,113.49x = 495,291,822,827.34 - Step 5: Solve for x
x = 495,291,822,827.34/947,113.49 - Step 6: Final answer
x = 522,948.76
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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.