Home / 712,980.80-1,069,471.20-573,012.80

Finding the Fourth Proportional to 712,980.80, 1,069,471.20 and 573,012.80

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Solution

The fourth proportional to 712,980.80, 1,069,471.20 and 573,012.80 is: 859,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,980.80 : 1,069,471.20 = 573,012.80 : x
  2. Step 2: Convert to fraction form
    712,980.80/1,069,471.20 = 573,012.80/x
  3. Step 3: Cross multiply
    712,980.80x = 1,069,471.20 × 573,012.80
  4. Step 4: Simplify right side
    712,980.80x = 612,820,686,831.36
  5. Step 5: Solve for x
    x = 612,820,686,831.36/712,980.80
  6. Step 6: Final answer
    x = 859,519.20

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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.