Finding the Fourth Proportional to 951,340.64, 1,312,840.58 and 521,619.75
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Solution
The fourth proportional to 951,340.64, 1,312,840.58 and 521,619.75 is: 719,830.05
Step by Step Solution
- Step 1: Write the proportion equation
951,340.64 : 1,312,840.58 = 521,619.75 : x - Step 2: Convert to fraction form
951,340.64/1,312,840.58 = 521,619.75/x - Step 3: Cross multiply
951,340.64x = 1,312,840.58 × 521,619.75 - Step 4: Simplify right side
951,340.64x = 684,803,572,521.36 - Step 5: Solve for x
x = 684,803,572,521.36/951,340.64 - Step 6: Final answer
x = 719,830.05
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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.