Home / 397,829.80-596,355.90-355,839.40

Finding the Fourth Proportional to 397,829.80, 596,355.90 and 355,839.40

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Solution

The fourth proportional to 397,829.80, 596,355.90 and 355,839.40 is: 533,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,829.80 : 596,355.90 = 355,839.40 : x
  2. Step 2: Convert to fraction form
    397,829.80/596,355.90 = 355,839.40/x
  3. Step 3: Cross multiply
    397,829.80x = 596,355.90 × 355,839.40
  4. Step 4: Simplify right side
    397,829.80x = 212,206,925,642.46
  5. Step 5: Solve for x
    x = 212,206,925,642.46/397,829.80
  6. Step 6: Final answer
    x = 533,411.34

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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.