Home / 689,928.30-1,035,064.68-240,655.62

Finding the Fourth Proportional to 689,928.30, 1,035,064.68 and 240,655.62

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Solution

The fourth proportional to 689,928.30, 1,035,064.68 and 240,655.62 is: 361,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,928.30 : 1,035,064.68 = 240,655.62 : x
  2. Step 2: Convert to fraction form
    689,928.30/1,035,064.68 = 240,655.62/x
  3. Step 3: Cross multiply
    689,928.30x = 1,035,064.68 × 240,655.62
  4. Step 4: Simplify right side
    689,928.30x = 249,094,132,305.50
  5. Step 5: Solve for x
    x = 249,094,132,305.50/689,928.30
  6. Step 6: Final answer
    x = 361,043.51

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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.