Home / 634,923.56-876,191.76-348,448.28

Finding the Fourth Proportional to 634,923.56, 876,191.76 and 348,448.28

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Solution

The fourth proportional to 634,923.56, 876,191.76 and 348,448.28 is: 480,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,923.56 : 876,191.76 = 348,448.28 : x
  2. Step 2: Convert to fraction form
    634,923.56/876,191.76 = 348,448.28/x
  3. Step 3: Cross multiply
    634,923.56x = 876,191.76 × 348,448.28
  4. Step 4: Simplify right side
    634,923.56x = 305,307,511,722.17
  5. Step 5: Solve for x
    x = 305,307,511,722.17/634,923.56
  6. Step 6: Final answer
    x = 480,857.12

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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.