Home / 870,430.34-1,305,225.56-364,855.57

Finding the Fourth Proportional to 870,430.34, 1,305,225.56 and 364,855.57

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Solution

The fourth proportional to 870,430.34, 1,305,225.56 and 364,855.57 is: 547,107.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,430.34 : 1,305,225.56 = 364,855.57 : x
  2. Step 2: Convert to fraction form
    870,430.34/1,305,225.56 = 364,855.57/x
  3. Step 3: Cross multiply
    870,430.34x = 1,305,225.56 × 364,855.57
  4. Step 4: Simplify right side
    870,430.34x = 476,218,807,321.96
  5. Step 5: Solve for x
    x = 476,218,807,321.96/870,430.34
  6. Step 6: Final answer
    x = 547,107.32

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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.