Home / 897,851.78-1,346,019.20-417,831.91

Finding the Fourth Proportional to 897,851.78, 1,346,019.20 and 417,831.91

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Solution

The fourth proportional to 897,851.78, 1,346,019.20 and 417,831.91 is: 626,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,851.78 : 1,346,019.20 = 417,831.91 : x
  2. Step 2: Convert to fraction form
    897,851.78/1,346,019.20 = 417,831.91/x
  3. Step 3: Cross multiply
    897,851.78x = 1,346,019.20 × 417,831.91
  4. Step 4: Simplify right side
    897,851.78x = 562,409,766,502.58
  5. Step 5: Solve for x
    x = 562,409,766,502.58/897,851.78
  6. Step 6: Final answer
    x = 626,394.89

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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.