Home / 634,867.04-876,081.61-348,364.51

Finding the Fourth Proportional to 634,867.04, 876,081.61 and 348,364.51

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Solution

The fourth proportional to 634,867.04, 876,081.61 and 348,364.51 is: 480,723.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,867.04 : 876,081.61 = 348,364.51 : x
  2. Step 2: Convert to fraction form
    634,867.04/876,081.61 = 348,364.51/x
  3. Step 3: Cross multiply
    634,867.04x = 876,081.61 × 348,364.51
  4. Step 4: Simplify right side
    634,867.04x = 305,195,740,787.66
  5. Step 5: Solve for x
    x = 305,195,740,787.66/634,867.04
  6. Step 6: Final answer
    x = 480,723.87

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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.