Home / 689,435.40-1,034,930.70-532,360.20

Finding the Fourth Proportional to 689,435.40, 1,034,930.70 and 532,360.20

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Solution

The fourth proportional to 689,435.40, 1,034,930.70 and 532,360.20 is: 799,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,435.40 : 1,034,930.70 = 532,360.20 : x
  2. Step 2: Convert to fraction form
    689,435.40/1,034,930.70 = 532,360.20/x
  3. Step 3: Cross multiply
    689,435.40x = 1,034,930.70 × 532,360.20
  4. Step 4: Simplify right side
    689,435.40x = 550,955,914,438.14
  5. Step 5: Solve for x
    x = 550,955,914,438.14/689,435.40
  6. Step 6: Final answer
    x = 799,140.74

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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.