Home / 672,800.24-1,009,060.64-199,374.32

Finding the Fourth Proportional to 672,800.24, 1,009,060.64 and 199,374.32

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Solution

The fourth proportional to 672,800.24, 1,009,060.64 and 199,374.32 is: 299,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,800.24 : 1,009,060.64 = 199,374.32 : x
  2. Step 2: Convert to fraction form
    672,800.24/1,009,060.64 = 199,374.32/x
  3. Step 3: Cross multiply
    672,800.24x = 1,009,060.64 × 199,374.32
  4. Step 4: Simplify right side
    672,800.24x = 201,180,778,938.77
  5. Step 5: Solve for x
    x = 201,180,778,938.77/672,800.24
  6. Step 6: Final answer
    x = 299,020.08

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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.