Finding the Fourth Proportional to 740,569.64, 1,110,106.42 and 291,605.54
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Solution
The fourth proportional to 740,569.64, 1,110,106.42 and 291,605.54 is: 437,113.76
Step by Step Solution
- Step 1: Write the proportion equation
740,569.64 : 1,110,106.42 = 291,605.54 : x - Step 2: Convert to fraction form
740,569.64/1,110,106.42 = 291,605.54/x - Step 3: Cross multiply
740,569.64x = 1,110,106.42 × 291,605.54 - Step 4: Simplify right side
740,569.64x = 323,713,182,061.57 - Step 5: Solve for x
x = 323,713,182,061.57/740,569.64 - Step 6: Final answer
x = 437,113.76
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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.