Finding the Fourth Proportional to 633,224.05, 873,816.62 and 346,688.71
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Solution
The fourth proportional to 633,224.05, 873,816.62 and 346,688.71 is: 478,412.59
Step by Step Solution
- Step 1: Write the proportion equation
633,224.05 : 873,816.62 = 346,688.71 : x - Step 2: Convert to fraction form
633,224.05/873,816.62 = 346,688.71/x - Step 3: Cross multiply
633,224.05x = 873,816.62 × 346,688.71 - Step 4: Simplify right side
633,224.05x = 302,942,357,423.27 - Step 5: Solve for x
x = 302,942,357,423.27/633,224.05 - Step 6: Final answer
x = 478,412.59
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1.5x scale
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.