Finding the Fourth Proportional to 983,312.36, 1,475,124.06 and 352,212.20
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Solution
The fourth proportional to 983,312.36, 1,475,124.06 and 352,212.20 is: 528,374.01
Step by Step Solution
- Step 1: Write the proportion equation
983,312.36 : 1,475,124.06 = 352,212.20 : x - Step 2: Convert to fraction form
983,312.36/1,475,124.06 = 352,212.20/x - Step 3: Cross multiply
983,312.36x = 1,475,124.06 × 352,212.20 - Step 4: Simplify right side
983,312.36x = 519,556,690,445.53 - Step 5: Solve for x
x = 519,556,690,445.53/983,312.36 - Step 6: Final answer
x = 528,374.01
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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.