Home / 983,614.80-1,475,076.60-451,390.80

Finding the Fourth Proportional to 983,614.80, 1,475,076.60 and 451,390.80

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Solution

The fourth proportional to 983,614.80, 1,475,076.60 and 451,390.80 is: 676,927.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,614.80 : 1,475,076.60 = 451,390.80 : x
  2. Step 2: Convert to fraction form
    983,614.80/1,475,076.60 = 451,390.80/x
  3. Step 3: Cross multiply
    983,614.80x = 1,475,076.60 × 451,390.80
  4. Step 4: Simplify right side
    983,614.80x = 665,836,006,535.28
  5. Step 5: Solve for x
    x = 665,836,006,535.28/983,614.80
  6. Step 6: Final answer
    x = 676,927.60

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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.