Home / 869,813.38-1,305,095.46-470,735.74

Finding the Fourth Proportional to 869,813.38, 1,305,095.46 and 470,735.74

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Solution

The fourth proportional to 869,813.38, 1,305,095.46 and 470,735.74 is: 706,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,813.38 : 1,305,095.46 = 470,735.74 : x
  2. Step 2: Convert to fraction form
    869,813.38/1,305,095.46 = 470,735.74/x
  3. Step 3: Cross multiply
    869,813.38x = 1,305,095.46 × 470,735.74
  4. Step 4: Simplify right side
    869,813.38x = 614,355,077,133.74
  5. Step 5: Solve for x
    x = 614,355,077,133.74/869,813.38
  6. Step 6: Final answer
    x = 706,306.77

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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.