Finding the Fourth Proportional to 903,226.68, 1,246,454.55 and 495,331.40
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Solution
The fourth proportional to 903,226.68, 1,246,454.55 and 495,331.40 is: 683,558.28
Step by Step Solution
- Step 1: Write the proportion equation
903,226.68 : 1,246,454.55 = 495,331.40 : x - Step 2: Convert to fraction form
903,226.68/1,246,454.55 = 495,331.40/x - Step 3: Cross multiply
903,226.68x = 1,246,454.55 × 495,331.40 - Step 4: Simplify right side
903,226.68x = 617,408,077,287.87 - Step 5: Solve for x
x = 617,408,077,287.87/903,226.68 - Step 6: Final answer
x = 683,558.28
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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.