Home / 870,488.40-1,305,582.21-230,796.57

Finding the Fourth Proportional to 870,488.40, 1,305,582.21 and 230,796.57

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Solution

The fourth proportional to 870,488.40, 1,305,582.21 and 230,796.57 is: 346,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,488.40 : 1,305,582.21 = 230,796.57 : x
  2. Step 2: Convert to fraction form
    870,488.40/1,305,582.21 = 230,796.57/x
  3. Step 3: Cross multiply
    870,488.40x = 1,305,582.21 × 230,796.57
  4. Step 4: Simplify right side
    870,488.40x = 301,323,895,921.02
  5. Step 5: Solve for x
    x = 301,323,895,921.02/870,488.40
  6. Step 6: Final answer
    x = 346,154.98

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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.