Home / 876,446.80-1,314,281.40-403,277.20

Finding the Fourth Proportional to 876,446.80, 1,314,281.40 and 403,277.20

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Solution

The fourth proportional to 876,446.80, 1,314,281.40 and 403,277.20 is: 604,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,446.80 : 1,314,281.40 = 403,277.20 : x
  2. Step 2: Convert to fraction form
    876,446.80/1,314,281.40 = 403,277.20/x
  3. Step 3: Cross multiply
    876,446.80x = 1,314,281.40 × 403,277.20
  4. Step 4: Simplify right side
    876,446.80x = 530,019,723,004.08
  5. Step 5: Solve for x
    x = 530,019,723,004.08/876,446.80
  6. Step 6: Final answer
    x = 604,736.90

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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.