Finding the Fourth Proportional to 562,089.18, 775,701.54 and 307,440.36
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Solution
The fourth proportional to 562,089.18, 775,701.54 and 307,440.36 is: 424,277.80
Step by Step Solution
- Step 1: Write the proportion equation
562,089.18 : 775,701.54 = 307,440.36 : x - Step 2: Convert to fraction form
562,089.18/775,701.54 = 307,440.36/x - Step 3: Cross multiply
562,089.18x = 775,701.54 × 307,440.36 - Step 4: Simplify right side
562,089.18x = 238,481,960,710.15 - Step 5: Solve for x
x = 238,481,960,710.15/562,089.18 - Step 6: Final answer
x = 424,277.80
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1.5x scale
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.