Home / 634,764.27-875,971.98-348,278.20

Finding the Fourth Proportional to 634,764.27, 875,971.98 and 348,278.20

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Solution

The fourth proportional to 634,764.27, 875,971.98 and 348,278.20 is: 480,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,764.27 : 875,971.98 = 348,278.20 : x
  2. Step 2: Convert to fraction form
    634,764.27/875,971.98 = 348,278.20/x
  3. Step 3: Cross multiply
    634,764.27x = 875,971.98 × 348,278.20
  4. Step 4: Simplify right side
    634,764.27x = 305,081,944,444.84
  5. Step 5: Solve for x
    x = 305,081,944,444.84/634,764.27
  6. Step 6: Final answer
    x = 480,622.43

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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.