Home / 876,494.64-1,209,561.72-474,085.68

Finding the Fourth Proportional to 876,494.64, 1,209,561.72 and 474,085.68

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Solution

The fourth proportional to 876,494.64, 1,209,561.72 and 474,085.68 is: 654,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,494.64 : 1,209,561.72 = 474,085.68 : x
  2. Step 2: Convert to fraction form
    876,494.64/1,209,561.72 = 474,085.68/x
  3. Step 3: Cross multiply
    876,494.64x = 1,209,561.72 × 474,085.68
  4. Step 4: Simplify right side
    876,494.64x = 573,435,890,528.17
  5. Step 5: Solve for x
    x = 573,435,890,528.17/876,494.64
  6. Step 6: Final answer
    x = 654,237.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.