Finding the Fourth Proportional to 702,965.02, 970,089.98 and 380,675.12
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Solution
The fourth proportional to 702,965.02, 970,089.98 and 380,675.12 is: 525,330.72
Step by Step Solution
- Step 1: Write the proportion equation
702,965.02 : 970,089.98 = 380,675.12 : x - Step 2: Convert to fraction form
702,965.02/970,089.98 = 380,675.12/x - Step 3: Cross multiply
702,965.02x = 970,089.98 × 380,675.12 - Step 4: Simplify right side
702,965.02x = 369,289,119,547.30 - Step 5: Solve for x
x = 369,289,119,547.30/702,965.02 - Step 6: Final answer
x = 525,330.72
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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.