Home / 712,982.40-1,069,434.24-239,618.88

Finding the Fourth Proportional to 712,982.40, 1,069,434.24 and 239,618.88

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Solution

The fourth proportional to 712,982.40, 1,069,434.24 and 239,618.88 is: 359,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,982.40 : 1,069,434.24 = 239,618.88 : x
  2. Step 2: Convert to fraction form
    712,982.40/1,069,434.24 = 239,618.88/x
  3. Step 3: Cross multiply
    712,982.40x = 1,069,434.24 × 239,618.88
  4. Step 4: Simplify right side
    712,982.40x = 256,256,634,822.45
  5. Step 5: Solve for x
    x = 256,256,634,822.45/712,982.40
  6. Step 6: Final answer
    x = 359,415.09

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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.