Finding the Fourth Proportional to 539,555.10, 744,592.95 and 297,838.14
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Solution
The fourth proportional to 539,555.10, 744,592.95 and 297,838.14 is: 411,020.45
Step by Step Solution
- Step 1: Write the proportion equation
539,555.10 : 744,592.95 = 297,838.14 : x - Step 2: Convert to fraction form
539,555.10/744,592.95 = 297,838.14/x - Step 3: Cross multiply
539,555.10x = 744,592.95 × 297,838.14 - Step 4: Simplify right side
539,555.10x = 221,768,179,285.11 - Step 5: Solve for x
x = 221,768,179,285.11/539,555.10 - Step 6: Final answer
x = 411,020.45
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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.