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Finding the Fourth Proportional to 533,751.42, 802,547.59 and 492,140.55

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Solution

The fourth proportional to 533,751.42, 802,547.59 and 492,140.55 is: 739,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,751.42 : 802,547.59 = 492,140.55 : x
  2. Step 2: Convert to fraction form
    533,751.42/802,547.59 = 492,140.55/x
  3. Step 3: Cross multiply
    533,751.42x = 802,547.59 × 492,140.55
  4. Step 4: Simplify right side
    533,751.42x = 394,966,212,343.78
  5. Step 5: Solve for x
    x = 394,966,212,343.78/533,751.42
  6. Step 6: Final answer
    x = 739,981.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.