Home / 906,344.64-1,358,722.08-345,005.76

Finding the Fourth Proportional to 906,344.64, 1,358,722.08 and 345,005.76

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Solution

The fourth proportional to 906,344.64, 1,358,722.08 and 345,005.76 is: 517,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,344.64 : 1,358,722.08 = 345,005.76 : x
  2. Step 2: Convert to fraction form
    906,344.64/1,358,722.08 = 345,005.76/x
  3. Step 3: Cross multiply
    906,344.64x = 1,358,722.08 × 345,005.76
  4. Step 4: Simplify right side
    906,344.64x = 468,766,943,839.18
  5. Step 5: Solve for x
    x = 468,766,943,839.18/906,344.64
  6. Step 6: Final answer
    x = 517,206.06

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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.