Home / 784,804.08-1,083,009.20-458,179.68

Finding the Fourth Proportional to 784,804.08, 1,083,009.20 and 458,179.68

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Solution

The fourth proportional to 784,804.08, 1,083,009.20 and 458,179.68 is: 632,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,804.08 : 1,083,009.20 = 458,179.68 : x
  2. Step 2: Convert to fraction form
    784,804.08/1,083,009.20 = 458,179.68/x
  3. Step 3: Cross multiply
    784,804.08x = 1,083,009.20 × 458,179.68
  4. Step 4: Simplify right side
    784,804.08x = 496,212,808,693.06
  5. Step 5: Solve for x
    x = 496,212,808,693.06/784,804.08
  6. Step 6: Final answer
    x = 632,276.03

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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.