Home / 926,779.60-1,388,614.20-452,443.60

Finding the Fourth Proportional to 926,779.60, 1,388,614.20 and 452,443.60

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Solution

The fourth proportional to 926,779.60, 1,388,614.20 and 452,443.60 is: 677,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,779.60 : 1,388,614.20 = 452,443.60 : x
  2. Step 2: Convert to fraction form
    926,779.60/1,388,614.20 = 452,443.60/x
  3. Step 3: Cross multiply
    926,779.60x = 1,388,614.20 × 452,443.60
  4. Step 4: Simplify right side
    926,779.60x = 628,269,607,659.12
  5. Step 5: Solve for x
    x = 628,269,607,659.12/926,779.60
  6. Step 6: Final answer
    x = 677,906.17

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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.