Home / 634,865.04-876,078.86-348,362.51

Finding the Fourth Proportional to 634,865.04, 876,078.86 and 348,362.51

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Solution

The fourth proportional to 634,865.04, 876,078.86 and 348,362.51 is: 480,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,865.04 : 876,078.86 = 348,362.51 : x
  2. Step 2: Convert to fraction form
    634,865.04/876,078.86 = 348,362.51/x
  3. Step 3: Cross multiply
    634,865.04x = 876,078.86 × 348,362.51
  4. Step 4: Simplify right side
    634,865.04x = 305,193,024,505.33
  5. Step 5: Solve for x
    x = 305,193,024,505.33/634,865.04
  6. Step 6: Final answer
    x = 480,721.11

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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.