Finding the Fourth Proportional to 539,750.58, 744,921.45 and 313,396.08
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Solution
The fourth proportional to 539,750.58, 744,921.45 and 313,396.08 is: 432,524.71
Step by Step Solution
- Step 1: Write the proportion equation
539,750.58 : 744,921.45 = 313,396.08 : x - Step 2: Convert to fraction form
539,750.58/744,921.45 = 313,396.08/x - Step 3: Cross multiply
539,750.58x = 744,921.45 × 313,396.08 - Step 4: Simplify right side
539,750.58x = 233,455,462,337.92 - Step 5: Solve for x
x = 233,455,462,337.92/539,750.58 - Step 6: Final answer
x = 432,524.71
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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.