Finding the Fourth Proportional to 781,387.28, 1,170,564.34 and 575,848.65
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Solution
The fourth proportional to 781,387.28, 1,170,564.34 and 575,848.65 is: 862,655.32
Step by Step Solution
- Step 1: Write the proportion equation
781,387.28 : 1,170,564.34 = 575,848.65 : x - Step 2: Convert to fraction form
781,387.28/1,170,564.34 = 575,848.65/x - Step 3: Cross multiply
781,387.28x = 1,170,564.34 × 575,848.65 - Step 4: Simplify right side
781,387.28x = 674,067,894,927.14 - Step 5: Solve for x
x = 674,067,894,927.14/781,387.28 - Step 6: Final answer
x = 862,655.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.