Finding the Fourth Proportional to 539,296.90, 744,228.84 and 297,579.28
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Solution
The fourth proportional to 539,296.90, 744,228.84 and 297,579.28 is: 410,658.92
Step by Step Solution
- Step 1: Write the proportion equation
539,296.90 : 744,228.84 = 297,579.28 : x - Step 2: Convert to fraction form
539,296.90/744,228.84 = 297,579.28/x - Step 3: Cross multiply
539,296.90x = 744,228.84 × 297,579.28 - Step 4: Simplify right side
539,296.90x = 221,467,078,641.29 - Step 5: Solve for x
x = 221,467,078,641.29/539,296.90 - Step 6: Final answer
x = 410,658.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.