Finding the Fourth Proportional to 539,671.24, 744,747.36 and 297,954.28
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Solution
The fourth proportional to 539,671.24, 744,747.36 and 297,954.28 is: 411,177.49
Step by Step Solution
- Step 1: Write the proportion equation
539,671.24 : 744,747.36 = 297,954.28 : x - Step 2: Convert to fraction form
539,671.24/744,747.36 = 297,954.28/x - Step 3: Cross multiply
539,671.24x = 744,747.36 × 297,954.28 - Step 4: Simplify right side
539,671.24x = 221,900,663,430.70 - Step 5: Solve for x
x = 221,900,663,430.70/539,671.24 - Step 6: Final answer
x = 411,177.49
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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.