Finding the Fourth Proportional to 907,497.60, 1,361,246.40 and 608,121.60
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Solution
The fourth proportional to 907,497.60, 1,361,246.40 and 608,121.60 is: 912,182.40
Step by Step Solution
- Step 1: Write the proportion equation
907,497.60 : 1,361,246.40 = 608,121.60 : x - Step 2: Convert to fraction form
907,497.60/1,361,246.40 = 608,121.60/x - Step 3: Cross multiply
907,497.60x = 1,361,246.40 × 608,121.60 - Step 4: Simplify right side
907,497.60x = 827,803,338,762.24 - Step 5: Solve for x
x = 827,803,338,762.24/907,497.60 - Step 6: Final answer
x = 912,182.40
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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.