Finding the Fourth Proportional to 671,288.96, 926,378.74 and 369,482.96
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Solution
The fourth proportional to 671,288.96, 926,378.74 and 369,482.96 is: 509,886.47
Step by Step Solution
- Step 1: Write the proportion equation
671,288.96 : 926,378.74 = 369,482.96 : x - Step 2: Convert to fraction form
671,288.96/926,378.74 = 369,482.96/x - Step 3: Cross multiply
671,288.96x = 926,378.74 × 369,482.96 - Step 4: Simplify right side
671,288.96x = 342,281,158,936.27 - Step 5: Solve for x
x = 342,281,158,936.27/671,288.96 - Step 6: Final answer
x = 509,886.47
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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.