Home / 572,309.32-789,823.83-330,602.08

Finding the Fourth Proportional to 572,309.32, 789,823.83 and 330,602.08

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Solution

The fourth proportional to 572,309.32, 789,823.83 and 330,602.08 is: 456,252.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,309.32 : 789,823.83 = 330,602.08 : x
  2. Step 2: Convert to fraction form
    572,309.32/789,823.83 = 330,602.08/x
  3. Step 3: Cross multiply
    572,309.32x = 789,823.83 × 330,602.08
  4. Step 4: Simplify right side
    572,309.32x = 261,117,401,031.57
  5. Step 5: Solve for x
    x = 261,117,401,031.57/572,309.32
  6. Step 6: Final answer
    x = 456,252.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.