Finding the Fourth Proportional to 558,214.04, 770,317.35 and 316,518.14
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Solution
The fourth proportional to 558,214.04, 770,317.35 and 316,518.14 is: 436,784.81
Step by Step Solution
- Step 1: Write the proportion equation
558,214.04 : 770,317.35 = 316,518.14 : x - Step 2: Convert to fraction form
558,214.04/770,317.35 = 316,518.14/x - Step 3: Cross multiply
558,214.04x = 770,317.35 × 316,518.14 - Step 4: Simplify right side
558,214.04x = 243,819,410,980.14 - Step 5: Solve for x
x = 243,819,410,980.14/558,214.04 - Step 6: Final answer
x = 436,784.81
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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.