Home / 600,079.40-899,975.10-346,812.20

Finding the Fourth Proportional to 600,079.40, 899,975.10 and 346,812.20

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Solution

The fourth proportional to 600,079.40, 899,975.10 and 346,812.20 is: 520,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,079.40 : 899,975.10 = 346,812.20 : x
  2. Step 2: Convert to fraction form
    600,079.40/899,975.10 = 346,812.20/x
  3. Step 3: Cross multiply
    600,079.40x = 899,975.10 × 346,812.20
  4. Step 4: Simplify right side
    600,079.40x = 312,122,344,376.22
  5. Step 5: Solve for x
    x = 312,122,344,376.22/600,079.40
  6. Step 6: Final answer
    x = 520,135.08

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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.