Home / 669,880.10-1,003,650.10-558,277.50

Finding the Fourth Proportional to 669,880.10, 1,003,650.10 and 558,277.50

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Solution

The fourth proportional to 669,880.10, 1,003,650.10 and 558,277.50 is: 836,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,880.10 : 1,003,650.10 = 558,277.50 : x
  2. Step 2: Convert to fraction form
    669,880.10/1,003,650.10 = 558,277.50/x
  3. Step 3: Cross multiply
    669,880.10x = 1,003,650.10 × 558,277.50
  4. Step 4: Simplify right side
    669,880.10x = 560,315,268,702.75
  5. Step 5: Solve for x
    x = 560,315,268,702.75/669,880.10
  6. Step 6: Final answer
    x = 836,441.13

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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.