Home / 893,721.60-1,339,545.60-360,979.20

Finding the Fourth Proportional to 893,721.60, 1,339,545.60 and 360,979.20

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Solution

The fourth proportional to 893,721.60, 1,339,545.60 and 360,979.20 is: 541,050.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,721.60 : 1,339,545.60 = 360,979.20 : x
  2. Step 2: Convert to fraction form
    893,721.60/1,339,545.60 = 360,979.20/x
  3. Step 3: Cross multiply
    893,721.60x = 1,339,545.60 × 360,979.20
  4. Step 4: Simplify right side
    893,721.60x = 483,548,099,051.52
  5. Step 5: Solve for x
    x = 483,548,099,051.52/893,721.60
  6. Step 6: Final answer
    x = 541,050.03

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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.