Home / 874,531.20-1,312,411.20-376,252.80

Finding the Fourth Proportional to 874,531.20, 1,312,411.20 and 376,252.80

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Solution

The fourth proportional to 874,531.20, 1,312,411.20 and 376,252.80 is: 564,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,531.20 : 1,312,411.20 = 376,252.80 : x
  2. Step 2: Convert to fraction form
    874,531.20/1,312,411.20 = 376,252.80/x
  3. Step 3: Cross multiply
    874,531.20x = 1,312,411.20 × 376,252.80
  4. Step 4: Simplify right side
    874,531.20x = 493,798,388,751.36
  5. Step 5: Solve for x
    x = 493,798,388,751.36/874,531.20
  6. Step 6: Final answer
    x = 564,643.54

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1.5x scale

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.