Finding the Fourth Proportional to 473,803.56, 652,740.36 and 330,307.20
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Solution
The fourth proportional to 473,803.56, 652,740.36 and 330,307.20 is: 455,051.12
Step by Step Solution
- Step 1: Write the proportion equation
473,803.56 : 652,740.36 = 330,307.20 : x - Step 2: Convert to fraction form
473,803.56/652,740.36 = 330,307.20/x - Step 3: Cross multiply
473,803.56x = 652,740.36 × 330,307.20 - Step 4: Simplify right side
473,803.56x = 215,604,840,638.59 - Step 5: Solve for x
x = 215,604,840,638.59/473,803.56 - Step 6: Final answer
x = 455,051.12
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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.