Home / 825,065.76-1,138,335.04-462,439.36

Finding the Fourth Proportional to 825,065.76, 1,138,335.04 and 462,439.36

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Solution

The fourth proportional to 825,065.76, 1,138,335.04 and 462,439.36 is: 638,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,065.76 : 1,138,335.04 = 462,439.36 : x
  2. Step 2: Convert to fraction form
    825,065.76/1,138,335.04 = 462,439.36/x
  3. Step 3: Cross multiply
    825,065.76x = 1,138,335.04 × 462,439.36
  4. Step 4: Simplify right side
    825,065.76x = 526,410,927,363.17
  5. Step 5: Solve for x
    x = 526,410,927,363.17/825,065.76
  6. Step 6: Final answer
    x = 638,023.00

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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.