Home / 923,423.60-1,385,200.20-524,255.60

Finding the Fourth Proportional to 923,423.60, 1,385,200.20 and 524,255.60

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Solution

The fourth proportional to 923,423.60, 1,385,200.20 and 524,255.60 is: 786,420.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,423.60 : 1,385,200.20 = 524,255.60 : x
  2. Step 2: Convert to fraction form
    923,423.60/1,385,200.20 = 524,255.60/x
  3. Step 3: Cross multiply
    923,423.60x = 1,385,200.20 × 524,255.60
  4. Step 4: Simplify right side
    923,423.60x = 726,198,961,971.12
  5. Step 5: Solve for x
    x = 726,198,961,971.12/923,423.60
  6. Step 6: Final answer
    x = 786,420.19

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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.