Home / 870,145.80-1,201,021.92-594,615.24

Finding the Fourth Proportional to 870,145.80, 1,201,021.92 and 594,615.24

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Solution

The fourth proportional to 870,145.80, 1,201,021.92 and 594,615.24 is: 820,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,145.80 : 1,201,021.92 = 594,615.24 : x
  2. Step 2: Convert to fraction form
    870,145.80/1,201,021.92 = 594,615.24/x
  3. Step 3: Cross multiply
    870,145.80x = 1,201,021.92 × 594,615.24
  4. Step 4: Simplify right side
    870,145.80x = 714,145,937,206.06
  5. Step 5: Solve for x
    x = 714,145,937,206.06/870,145.80
  6. Step 6: Final answer
    x = 820,719.86

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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.