Finding the Fourth Proportional to 553,588.80, 829,216.80 and 460,276.80
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Solution
The fourth proportional to 553,588.80, 829,216.80 and 460,276.80 is: 689,445.41
Step by Step Solution
- Step 1: Write the proportion equation
553,588.80 : 829,216.80 = 460,276.80 : x - Step 2: Convert to fraction form
553,588.80/829,216.80 = 460,276.80/x - Step 3: Cross multiply
553,588.80x = 829,216.80 × 460,276.80 - Step 4: Simplify right side
553,588.80x = 381,669,255,210.24 - Step 5: Solve for x
x = 381,669,255,210.24/553,588.80 - Step 6: Final answer
x = 689,445.41
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1.5x scale
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.