Home / 672,056.40-1,008,262.80-292,814.40

Finding the Fourth Proportional to 672,056.40, 1,008,262.80 and 292,814.40

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Solution

The fourth proportional to 672,056.40, 1,008,262.80 and 292,814.40 is: 439,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,056.40 : 1,008,262.80 = 292,814.40 : x
  2. Step 2: Convert to fraction form
    672,056.40/1,008,262.80 = 292,814.40/x
  3. Step 3: Cross multiply
    672,056.40x = 1,008,262.80 × 292,814.40
  4. Step 4: Simplify right side
    672,056.40x = 295,233,866,824.32
  5. Step 5: Solve for x
    x = 295,233,866,824.32/672,056.40
  6. Step 6: Final answer
    x = 439,299.24

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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.