Home / 783,597.60-1,175,785.20-310,298.40

Finding the Fourth Proportional to 783,597.60, 1,175,785.20 and 310,298.40

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Solution

The fourth proportional to 783,597.60, 1,175,785.20 and 310,298.40 is: 465,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,597.60 : 1,175,785.20 = 310,298.40 : x
  2. Step 2: Convert to fraction form
    783,597.60/1,175,785.20 = 310,298.40/x
  3. Step 3: Cross multiply
    783,597.60x = 1,175,785.20 × 310,298.40
  4. Step 4: Simplify right side
    783,597.60x = 364,844,266,303.68
  5. Step 5: Solve for x
    x = 364,844,266,303.68/783,597.60
  6. Step 6: Final answer
    x = 465,601.56

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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.