Home / 679,936.40-1,020,293.40-469,725.20

Finding the Fourth Proportional to 679,936.40, 1,020,293.40 and 469,725.20

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Solution

The fourth proportional to 679,936.40, 1,020,293.40 and 469,725.20 is: 704,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,936.40 : 1,020,293.40 = 469,725.20 : x
  2. Step 2: Convert to fraction form
    679,936.40/1,020,293.40 = 469,725.20/x
  3. Step 3: Cross multiply
    679,936.40x = 1,020,293.40 × 469,725.20
  4. Step 4: Simplify right side
    679,936.40x = 479,257,521,373.68
  5. Step 5: Solve for x
    x = 479,257,521,373.68/679,936.40
  6. Step 6: Final answer
    x = 704,856.40

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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.