Home / 748,829.90-1,123,390.65-322,364.90

Finding the Fourth Proportional to 748,829.90, 1,123,390.65 and 322,364.90

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Solution

The fourth proportional to 748,829.90, 1,123,390.65 and 322,364.90 is: 483,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,829.90 : 1,123,390.65 = 322,364.90 : x
  2. Step 2: Convert to fraction form
    748,829.90/1,123,390.65 = 322,364.90/x
  3. Step 3: Cross multiply
    748,829.90x = 1,123,390.65 × 322,364.90
  4. Step 4: Simplify right side
    748,829.90x = 362,141,714,548.19
  5. Step 5: Solve for x
    x = 362,141,714,548.19/748,829.90
  6. Step 6: Final answer
    x = 483,610.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.