Home / 659,831.04-910,555.20-401,614.56

Finding the Fourth Proportional to 659,831.04, 910,555.20 and 401,614.56

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Solution

The fourth proportional to 659,831.04, 910,555.20 and 401,614.56 is: 554,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,831.04 : 910,555.20 = 401,614.56 : x
  2. Step 2: Convert to fraction form
    659,831.04/910,555.20 = 401,614.56/x
  3. Step 3: Cross multiply
    659,831.04x = 910,555.20 × 401,614.56
  4. Step 4: Simplify right side
    659,831.04x = 365,692,226,003.71
  5. Step 5: Solve for x
    x = 365,692,226,003.71/659,831.04
  6. Step 6: Final answer
    x = 554,221.01

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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.