Finding the Fourth Proportional to 669,803.84, 924,307.97 and 383,317.77
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Solution
The fourth proportional to 669,803.84, 924,307.97 and 383,317.77 is: 528,966.32
Step by Step Solution
- Step 1: Write the proportion equation
669,803.84 : 924,307.97 = 383,317.77 : x - Step 2: Convert to fraction form
669,803.84/924,307.97 = 383,317.77/x - Step 3: Cross multiply
669,803.84x = 924,307.97 × 383,317.77 - Step 4: Simplify right side
669,803.84x = 354,303,673,122.69 - Step 5: Solve for x
x = 354,303,673,122.69/669,803.84 - Step 6: Final answer
x = 528,966.32
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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.