Home / 892,547.28-1,338,831.90-261,473.94

Finding the Fourth Proportional to 892,547.28, 1,338,831.90 and 261,473.94

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Solution

The fourth proportional to 892,547.28, 1,338,831.90 and 261,473.94 is: 392,214.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,547.28 : 1,338,831.90 = 261,473.94 : x
  2. Step 2: Convert to fraction form
    892,547.28/1,338,831.90 = 261,473.94/x
  3. Step 3: Cross multiply
    892,547.28x = 1,338,831.90 × 261,473.94
  4. Step 4: Simplify right side
    892,547.28x = 350,069,651,890.69
  5. Step 5: Solve for x
    x = 350,069,651,890.69/892,547.28
  6. Step 6: Final answer
    x = 392,214.13

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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.