Home / 697,220.80-1,045,831.20-655,230.40

Finding the Fourth Proportional to 697,220.80, 1,045,831.20 and 655,230.40

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Solution

The fourth proportional to 697,220.80, 1,045,831.20 and 655,230.40 is: 982,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,220.80 : 1,045,831.20 = 655,230.40 : x
  2. Step 2: Convert to fraction form
    697,220.80/1,045,831.20 = 655,230.40/x
  3. Step 3: Cross multiply
    697,220.80x = 1,045,831.20 × 655,230.40
  4. Step 4: Simplify right side
    697,220.80x = 685,260,395,508.48
  5. Step 5: Solve for x
    x = 685,260,395,508.48/697,220.80
  6. Step 6: Final answer
    x = 982,845.60

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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.