Finding the Fourth Proportional to 781,969.56, 1,173,046.68 and 249,303.84
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Solution
The fourth proportional to 781,969.56, 1,173,046.68 and 249,303.84 is: 373,985.20
Step by Step Solution
- Step 1: Write the proportion equation
781,969.56 : 1,173,046.68 = 249,303.84 : x - Step 2: Convert to fraction form
781,969.56/1,173,046.68 = 249,303.84/x - Step 3: Cross multiply
781,969.56x = 1,173,046.68 × 249,303.84 - Step 4: Simplify right side
781,969.56x = 292,445,041,823.25 - Step 5: Solve for x
x = 292,445,041,823.25/781,969.56 - Step 6: Final answer
x = 373,985.20
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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.