Finding the Fourth Proportional to 558,562.36, 770,895.12 and 316,904.80
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Solution
The fourth proportional to 558,562.36, 770,895.12 and 316,904.80 is: 437,373.48
Step by Step Solution
- Step 1: Write the proportion equation
558,562.36 : 770,895.12 = 316,904.80 : x - Step 2: Convert to fraction form
558,562.36/770,895.12 = 316,904.80/x - Step 3: Cross multiply
558,562.36x = 770,895.12 × 316,904.80 - Step 4: Simplify right side
558,562.36x = 244,300,363,824.58 - Step 5: Solve for x
x = 244,300,363,824.58/558,562.36 - Step 6: Final answer
x = 437,373.48
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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.