Home / 638,432.22-881,030.52-348,043.80

Finding the Fourth Proportional to 638,432.22, 881,030.52 and 348,043.80

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Solution

The fourth proportional to 638,432.22, 881,030.52 and 348,043.80 is: 480,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,432.22 : 881,030.52 = 348,043.80 : x
  2. Step 2: Convert to fraction form
    638,432.22/881,030.52 = 348,043.80/x
  3. Step 3: Cross multiply
    638,432.22x = 881,030.52 × 348,043.80
  4. Step 4: Simplify right side
    638,432.22x = 306,637,210,096.78
  5. Step 5: Solve for x
    x = 306,637,210,096.78/638,432.22
  6. Step 6: Final answer
    x = 480,297.20

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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.