Finding the Fourth Proportional to 570,573.81, 787,391.84 and 315,924.99
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Solution
The fourth proportional to 570,573.81, 787,391.84 and 315,924.99 is: 435,976.47
Step by Step Solution
- Step 1: Write the proportion equation
570,573.81 : 787,391.84 = 315,924.99 : x - Step 2: Convert to fraction form
570,573.81/787,391.84 = 315,924.99/x - Step 3: Cross multiply
570,573.81x = 787,391.84 × 315,924.99 - Step 4: Simplify right side
570,573.81x = 248,756,757,598.46 - Step 5: Solve for x
x = 248,756,757,598.46/570,573.81 - Step 6: Final answer
x = 435,976.47
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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.