Home / 783,563.10-1,175,733.45-310,263.90

Finding the Fourth Proportional to 783,563.10, 1,175,733.45 and 310,263.90

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Solution

The fourth proportional to 783,563.10, 1,175,733.45 and 310,263.90 is: 465,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,563.10 : 1,175,733.45 = 310,263.90 : x
  2. Step 2: Convert to fraction form
    783,563.10/1,175,733.45 = 310,263.90/x
  3. Step 3: Cross multiply
    783,563.10x = 1,175,733.45 × 310,263.90
  4. Step 4: Simplify right side
    783,563.10x = 364,787,645,557.46
  5. Step 5: Solve for x
    x = 364,787,645,557.46/783,563.10
  6. Step 6: Final answer
    x = 465,549.80

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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.