Home / 689,120.10-1,031,606.55-606,176.10

Finding the Fourth Proportional to 689,120.10, 1,031,606.55 and 606,176.10

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Solution

The fourth proportional to 689,120.10, 1,031,606.55 and 606,176.10 is: 907,440.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,120.10 : 1,031,606.55 = 606,176.10 : x
  2. Step 2: Convert to fraction form
    689,120.10/1,031,606.55 = 606,176.10/x
  3. Step 3: Cross multiply
    689,120.10x = 1,031,606.55 × 606,176.10
  4. Step 4: Simplify right side
    689,120.10x = 625,335,235,213.46
  5. Step 5: Solve for x
    x = 625,335,235,213.46/689,120.10
  6. Step 6: Final answer
    x = 907,440.13

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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.