Home / 689,387.52-1,035,050.09-352,669.70

Finding the Fourth Proportional to 689,387.52, 1,035,050.09 and 352,669.70

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Solution

The fourth proportional to 689,387.52, 1,035,050.09 and 352,669.70 is: 529,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,387.52 : 1,035,050.09 = 352,669.70 : x
  2. Step 2: Convert to fraction form
    689,387.52/1,035,050.09 = 352,669.70/x
  3. Step 3: Cross multiply
    689,387.52x = 1,035,050.09 × 352,669.70
  4. Step 4: Simplify right side
    689,387.52x = 365,030,804,725.27
  5. Step 5: Solve for x
    x = 365,030,804,725.27/689,387.52
  6. Step 6: Final answer
    x = 529,500.16

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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.