Finding the Fourth Proportional to 570,466.12, 787,237.86 and 328,659.88
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Solution
The fourth proportional to 570,466.12, 787,237.86 and 328,659.88 is: 453,547.53
Step by Step Solution
- Step 1: Write the proportion equation
570,466.12 : 787,237.86 = 328,659.88 : x - Step 2: Convert to fraction form
570,466.12/787,237.86 = 328,659.88/x - Step 3: Cross multiply
570,466.12x = 787,237.86 × 328,659.88 - Step 4: Simplify right side
570,466.12x = 258,733,500,599.06 - Step 5: Solve for x
x = 258,733,500,599.06/570,466.12 - Step 6: Final answer
x = 453,547.53
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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.