Finding the Fourth Proportional to 633,077.96, 873,650.14 and 346,624.70
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Solution
The fourth proportional to 633,077.96, 873,650.14 and 346,624.70 is: 478,343.48
Step by Step Solution
- Step 1: Write the proportion equation
633,077.96 : 873,650.14 = 346,624.70 : x - Step 2: Convert to fraction form
633,077.96/873,650.14 = 346,624.70/x - Step 3: Cross multiply
633,077.96x = 873,650.14 × 346,624.70 - Step 4: Simplify right side
633,077.96x = 302,828,712,447.65 - Step 5: Solve for x
x = 302,828,712,447.65/633,077.96 - Step 6: Final answer
x = 478,343.48
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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.