Home / 634,923.71-876,205.41-348,470.45

Finding the Fourth Proportional to 634,923.71, 876,205.41 and 348,470.45

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Solution

The fourth proportional to 634,923.71, 876,205.41 and 348,470.45 is: 480,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,923.71 : 876,205.41 = 348,470.45 : x
  2. Step 2: Convert to fraction form
    634,923.71/876,205.41 = 348,470.45/x
  3. Step 3: Cross multiply
    634,923.71x = 876,205.41 × 348,470.45
  4. Step 4: Simplify right side
    634,923.71x = 305,331,693,515.14
  5. Step 5: Solve for x
    x = 305,331,693,515.14/634,923.71
  6. Step 6: Final answer
    x = 480,895.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.