Finding the Fourth Proportional to 462,993.06, 697,959.80 and 432,130.74
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Solution
The fourth proportional to 462,993.06, 697,959.80 and 432,130.74 is: 651,435.00
Step by Step Solution
- Step 1: Write the proportion equation
462,993.06 : 697,959.80 = 432,130.74 : x - Step 2: Convert to fraction form
462,993.06/697,959.80 = 432,130.74/x - Step 3: Cross multiply
462,993.06x = 697,959.80 × 432,130.74 - Step 4: Simplify right side
462,993.06x = 301,609,884,864.25 - Step 5: Solve for x
x = 301,609,884,864.25/462,993.06 - Step 6: Final answer
x = 651,435.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.