Finding the Fourth Proportional to 533,905.28, 736,946.88 and 307,710.08
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Solution
The fourth proportional to 533,905.28, 736,946.88 and 307,710.08 is: 424,730.74
Step by Step Solution
- Step 1: Write the proportion equation
533,905.28 : 736,946.88 = 307,710.08 : x - Step 2: Convert to fraction form
533,905.28/736,946.88 = 307,710.08/x - Step 3: Cross multiply
533,905.28x = 736,946.88 × 307,710.08 - Step 4: Simplify right side
533,905.28x = 226,765,983,400.55 - Step 5: Solve for x
x = 226,765,983,400.55/533,905.28 - Step 6: Final answer
x = 424,730.74
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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.