Home / 531,831.06-733,931.55-290,114.64

Finding the Fourth Proportional to 531,831.06, 733,931.55 and 290,114.64

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Solution

The fourth proportional to 531,831.06, 733,931.55 and 290,114.64 is: 400,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,831.06 : 733,931.55 = 290,114.64 : x
  2. Step 2: Convert to fraction form
    531,831.06/733,931.55 = 290,114.64/x
  3. Step 3: Cross multiply
    531,831.06x = 733,931.55 × 290,114.64
  4. Step 4: Simplify right side
    531,831.06x = 212,924,287,412.89
  5. Step 5: Solve for x
    x = 212,924,287,412.89/531,831.06
  6. Step 6: Final answer
    x = 400,360.76

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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.