Home / 953,228.54-1,429,854.36-279,323.51

Finding the Fourth Proportional to 953,228.54, 1,429,854.36 and 279,323.51

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Solution

The fourth proportional to 953,228.54, 1,429,854.36 and 279,323.51 is: 418,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,228.54 : 1,429,854.36 = 279,323.51 : x
  2. Step 2: Convert to fraction form
    953,228.54/1,429,854.36 = 279,323.51/x
  3. Step 3: Cross multiply
    953,228.54x = 1,429,854.36 × 279,323.51
  4. Step 4: Simplify right side
    953,228.54x = 399,391,930,427.27
  5. Step 5: Solve for x
    x = 399,391,930,427.27/953,228.54
  6. Step 6: Final answer
    x = 418,988.64

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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.