Finding the Fourth Proportional to 671,880.40, 927,159.96 and 417,226.12
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Solution
The fourth proportional to 671,880.40, 927,159.96 and 417,226.12 is: 575,750.32
Step by Step Solution
- Step 1: Write the proportion equation
671,880.40 : 927,159.96 = 417,226.12 : x - Step 2: Convert to fraction form
671,880.40/927,159.96 = 417,226.12/x - Step 3: Cross multiply
671,880.40x = 927,159.96 × 417,226.12 - Step 4: Simplify right side
671,880.40x = 386,835,352,730.16 - Step 5: Solve for x
x = 386,835,352,730.16/671,880.40 - Step 6: Final answer
x = 575,750.32
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1.5x scale
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.