Finding the Fourth Proportional to 539,782.47, 744,905.84 and 298,064.70
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Solution
The fourth proportional to 539,782.47, 744,905.84 and 298,064.70 is: 411,332.61
Step by Step Solution
- Step 1: Write the proportion equation
539,782.47 : 744,905.84 = 298,064.70 : x - Step 2: Convert to fraction form
539,782.47/744,905.84 = 298,064.70/x - Step 3: Cross multiply
539,782.47x = 744,905.84 × 298,064.70 - Step 4: Simplify right side
539,782.47x = 222,030,134,237.53 - Step 5: Solve for x
x = 222,030,134,237.53/539,782.47 - Step 6: Final answer
x = 411,332.61
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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.