Finding the Fourth Proportional to 517,798.22, 714,782.68 and 348,130.76
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Solution
The fourth proportional to 517,798.22, 714,782.68 and 348,130.76 is: 480,569.12
Step by Step Solution
- Step 1: Write the proportion equation
517,798.22 : 714,782.68 = 348,130.76 : x - Step 2: Convert to fraction form
517,798.22/714,782.68 = 348,130.76/x - Step 3: Cross multiply
517,798.22x = 714,782.68 × 348,130.76 - Step 4: Simplify right side
517,798.22x = 248,837,837,199.65 - Step 5: Solve for x
x = 248,837,837,199.65/517,798.22 - Step 6: Final answer
x = 480,569.12
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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.