Home / 983,660.76-1,475,543.45-309,794.76

Finding the Fourth Proportional to 983,660.76, 1,475,543.45 and 309,794.76

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Solution

The fourth proportional to 983,660.76, 1,475,543.45 and 309,794.76 is: 464,708.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,660.76 : 1,475,543.45 = 309,794.76 : x
  2. Step 2: Convert to fraction form
    983,660.76/1,475,543.45 = 309,794.76/x
  3. Step 3: Cross multiply
    983,660.76x = 1,475,543.45 × 309,794.76
  4. Step 4: Simplify right side
    983,660.76x = 457,115,628,962.32
  5. Step 5: Solve for x
    x = 457,115,628,962.32/983,660.76
  6. Step 6: Final answer
    x = 464,708.61

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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.