Home / 672,037.20-1,008,055.80-423,205.20

Finding the Fourth Proportional to 672,037.20, 1,008,055.80 and 423,205.20

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Solution

The fourth proportional to 672,037.20, 1,008,055.80 and 423,205.20 is: 634,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,037.20 : 1,008,055.80 = 423,205.20 : x
  2. Step 2: Convert to fraction form
    672,037.20/1,008,055.80 = 423,205.20/x
  3. Step 3: Cross multiply
    672,037.20x = 1,008,055.80 × 423,205.20
  4. Step 4: Simplify right side
    672,037.20x = 426,614,456,450.16
  5. Step 5: Solve for x
    x = 426,614,456,450.16/672,037.20
  6. Step 6: Final answer
    x = 634,807.80

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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.