Home / 888,609.78-1,226,347.29-506,646.18

Finding the Fourth Proportional to 888,609.78, 1,226,347.29 and 506,646.18

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Solution

The fourth proportional to 888,609.78, 1,226,347.29 and 506,646.18 is: 699,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,609.78 : 1,226,347.29 = 506,646.18 : x
  2. Step 2: Convert to fraction form
    888,609.78/1,226,347.29 = 506,646.18/x
  3. Step 3: Cross multiply
    888,609.78x = 1,226,347.29 × 506,646.18
  4. Step 4: Simplify right side
    888,609.78x = 621,324,169,831.85
  5. Step 5: Solve for x
    x = 621,324,169,831.85/888,609.78
  6. Step 6: Final answer
    x = 699,209.24

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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.