Finding the Fourth Proportional to 539,665.35, 744,723.36 and 297,943.53
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Solution
The fourth proportional to 539,665.35, 744,723.36 and 297,943.53 is: 411,153.89
Step by Step Solution
- Step 1: Write the proportion equation
539,665.35 : 744,723.36 = 297,943.53 : x - Step 2: Convert to fraction form
539,665.35/744,723.36 = 297,943.53/x - Step 3: Cross multiply
539,665.35x = 744,723.36 × 297,943.53 - Step 4: Simplify right side
539,665.35x = 221,885,506,751.86 - Step 5: Solve for x
x = 221,885,506,751.86/539,665.35 - Step 6: Final answer
x = 411,153.89
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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.