Finding the Fourth Proportional to 751,718.16, 1,037,306.52 and 429,364.08
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Solution
The fourth proportional to 751,718.16, 1,037,306.52 and 429,364.08 is: 592,485.57
Step by Step Solution
- Step 1: Write the proportion equation
751,718.16 : 1,037,306.52 = 429,364.08 : x - Step 2: Convert to fraction form
751,718.16/1,037,306.52 = 429,364.08/x - Step 3: Cross multiply
751,718.16x = 1,037,306.52 × 429,364.08 - Step 4: Simplify right side
751,718.16x = 445,382,159,637.80 - Step 5: Solve for x
x = 445,382,159,637.80/751,718.16 - Step 6: Final answer
x = 592,485.57
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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.