Home / 756,432.40-1,133,266.20-615,427.60

Finding the Fourth Proportional to 756,432.40, 1,133,266.20 and 615,427.60

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Solution

The fourth proportional to 756,432.40, 1,133,266.20 and 615,427.60 is: 922,016.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,432.40 : 1,133,266.20 = 615,427.60 : x
  2. Step 2: Convert to fraction form
    756,432.40/1,133,266.20 = 615,427.60/x
  3. Step 3: Cross multiply
    756,432.40x = 1,133,266.20 × 615,427.60
  4. Step 4: Simplify right side
    756,432.40x = 697,443,297,627.12
  5. Step 5: Solve for x
    x = 697,443,297,627.12/756,432.40
  6. Step 6: Final answer
    x = 922,016.69

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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.