Home / 670,539.40-1,005,987.30-291,297.40

Finding the Fourth Proportional to 670,539.40, 1,005,987.30 and 291,297.40

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Solution

The fourth proportional to 670,539.40, 1,005,987.30 and 291,297.40 is: 437,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,539.40 : 1,005,987.30 = 291,297.40 : x
  2. Step 2: Convert to fraction form
    670,539.40/1,005,987.30 = 291,297.40/x
  3. Step 3: Cross multiply
    670,539.40x = 1,005,987.30 × 291,297.40
  4. Step 4: Simplify right side
    670,539.40x = 293,041,484,923.02
  5. Step 5: Solve for x
    x = 293,041,484,923.02/670,539.40
  6. Step 6: Final answer
    x = 437,023.51

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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.