Finding the Fourth Proportional to 539,876.63, 745,029.75 and 313,536.71
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Solution
The fourth proportional to 539,876.63, 745,029.75 and 313,536.71 is: 432,680.66
Step by Step Solution
- Step 1: Write the proportion equation
539,876.63 : 745,029.75 = 313,536.71 : x - Step 2: Convert to fraction form
539,876.63/745,029.75 = 313,536.71/x - Step 3: Cross multiply
539,876.63x = 745,029.75 × 313,536.71 - Step 4: Simplify right side
539,876.63x = 233,594,172,941.97 - Step 5: Solve for x
x = 233,594,172,941.97/539,876.63 - Step 6: Final answer
x = 432,680.66
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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.