Finding the Fourth Proportional to 923,782.60, 1,386,134.70 and 524,729.80
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Solution
The fourth proportional to 923,782.60, 1,386,134.70 and 524,729.80 is: 787,356.45
Step by Step Solution
- Step 1: Write the proportion equation
923,782.60 : 1,386,134.70 = 524,729.80 : x - Step 2: Convert to fraction form
923,782.60/1,386,134.70 = 524,729.80/x - Step 3: Cross multiply
923,782.60x = 1,386,134.70 × 524,729.80 - Step 4: Simplify right side
923,782.60x = 727,346,183,904.06 - Step 5: Solve for x
x = 727,346,183,904.06/923,782.60 - Step 6: Final answer
x = 787,356.45
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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.