Home / 783,421.60-1,175,305.20-250,967.20

Finding the Fourth Proportional to 783,421.60, 1,175,305.20 and 250,967.20

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Solution

The fourth proportional to 783,421.60, 1,175,305.20 and 250,967.20 is: 376,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,421.60 : 1,175,305.20 = 250,967.20 : x
  2. Step 2: Convert to fraction form
    783,421.60/1,175,305.20 = 250,967.20/x
  3. Step 3: Cross multiply
    783,421.60x = 1,175,305.20 × 250,967.20
  4. Step 4: Simplify right side
    783,421.60x = 294,963,055,189.44
  5. Step 5: Solve for x
    x = 294,963,055,189.44/783,421.60
  6. Step 6: Final answer
    x = 376,506.16

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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.