Home / 930,945.33-1,395,289.23-424,812.78

Finding the Fourth Proportional to 930,945.33, 1,395,289.23 and 424,812.78

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Solution

The fourth proportional to 930,945.33, 1,395,289.23 and 424,812.78 is: 636,704.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,945.33 : 1,395,289.23 = 424,812.78 : x
  2. Step 2: Convert to fraction form
    930,945.33/1,395,289.23 = 424,812.78/x
  3. Step 3: Cross multiply
    930,945.33x = 1,395,289.23 × 424,812.78
  4. Step 4: Simplify right side
    930,945.33x = 592,736,696,700.36
  5. Step 5: Solve for x
    x = 592,736,696,700.36/930,945.33
  6. Step 6: Final answer
    x = 636,704.09

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1.5x scale

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.