Home / 870,255.92-1,201,006.10-579,365.48

Finding the Fourth Proportional to 870,255.92, 1,201,006.10 and 579,365.48

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Solution

The fourth proportional to 870,255.92, 1,201,006.10 and 579,365.48 is: 799,559.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,255.92 : 1,201,006.10 = 579,365.48 : x
  2. Step 2: Convert to fraction form
    870,255.92/1,201,006.10 = 579,365.48/x
  3. Step 3: Cross multiply
    870,255.92x = 1,201,006.10 × 579,365.48
  4. Step 4: Simplify right side
    870,255.92x = 695,821,475,609.43
  5. Step 5: Solve for x
    x = 695,821,475,609.43/870,255.92
  6. Step 6: Final answer
    x = 799,559.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.