Home / 874,642.26-1,310,836.95-424,491.96

Finding the Fourth Proportional to 874,642.26, 1,310,836.95 and 424,491.96

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Solution

The fourth proportional to 874,642.26, 1,310,836.95 and 424,491.96 is: 636,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,642.26 : 1,310,836.95 = 424,491.96 : x
  2. Step 2: Convert to fraction form
    874,642.26/1,310,836.95 = 424,491.96/x
  3. Step 3: Cross multiply
    874,642.26x = 1,310,836.95 × 424,491.96
  4. Step 4: Simplify right side
    874,642.26x = 556,439,746,145.92
  5. Step 5: Solve for x
    x = 556,439,746,145.92/874,642.26
  6. Step 6: Final answer
    x = 636,191.24

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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.