Home / 672,055.60-1,008,083.40-519,840.40

Finding the Fourth Proportional to 672,055.60, 1,008,083.40 and 519,840.40

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Solution

The fourth proportional to 672,055.60, 1,008,083.40 and 519,840.40 is: 779,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,055.60 : 1,008,083.40 = 519,840.40 : x
  2. Step 2: Convert to fraction form
    672,055.60/1,008,083.40 = 519,840.40/x
  3. Step 3: Cross multiply
    672,055.60x = 1,008,083.40 × 519,840.40
  4. Step 4: Simplify right side
    672,055.60x = 524,042,477,889.36
  5. Step 5: Solve for x
    x = 524,042,477,889.36/672,055.60
  6. Step 6: Final answer
    x = 779,760.60

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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.