Home / 634,784.40-875,973.16-348,297.36

Finding the Fourth Proportional to 634,784.40, 875,973.16 and 348,297.36

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Solution

The fourth proportional to 634,784.40, 875,973.16 and 348,297.36 is: 480,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,784.40 : 875,973.16 = 348,297.36 : x
  2. Step 2: Convert to fraction form
    634,784.40/875,973.16 = 348,297.36/x
  3. Step 3: Cross multiply
    634,784.40x = 875,973.16 × 348,297.36
  4. Step 4: Simplify right side
    634,784.40x = 305,099,139,058.86
  5. Step 5: Solve for x
    x = 305,099,139,058.86/634,784.40
  6. Step 6: Final answer
    x = 480,634.27

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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.