Home / 672,064.40-1,008,274.80-292,822.40

Finding the Fourth Proportional to 672,064.40, 1,008,274.80 and 292,822.40

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Solution

The fourth proportional to 672,064.40, 1,008,274.80 and 292,822.40 is: 439,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,064.40 : 1,008,274.80 = 292,822.40 : x
  2. Step 2: Convert to fraction form
    672,064.40/1,008,274.80 = 292,822.40/x
  3. Step 3: Cross multiply
    672,064.40x = 1,008,274.80 × 292,822.40
  4. Step 4: Simplify right side
    672,064.40x = 295,245,446,795.52
  5. Step 5: Solve for x
    x = 295,245,446,795.52/672,064.40
  6. Step 6: Final answer
    x = 439,311.24

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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.