Home / 923,520.85-1,384,079.67-375,774.91

Finding the Fourth Proportional to 923,520.85, 1,384,079.67 and 375,774.91

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Solution

The fourth proportional to 923,520.85, 1,384,079.67 and 375,774.91 is: 563,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,520.85 : 1,384,079.67 = 375,774.91 : x
  2. Step 2: Convert to fraction form
    923,520.85/1,384,079.67 = 375,774.91/x
  3. Step 3: Cross multiply
    923,520.85x = 1,384,079.67 × 375,774.91
  4. Step 4: Simplify right side
    923,520.85x = 520,102,409,966.88
  5. Step 5: Solve for x
    x = 520,102,409,966.88/923,520.85
  6. Step 6: Final answer
    x = 563,173.44

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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.