Home / 730,421.16-1,007,962.39-408,133.90

Finding the Fourth Proportional to 730,421.16, 1,007,962.39 and 408,133.90

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Solution

The fourth proportional to 730,421.16, 1,007,962.39 and 408,133.90 is: 563,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,421.16 : 1,007,962.39 = 408,133.90 : x
  2. Step 2: Convert to fraction form
    730,421.16/1,007,962.39 = 408,133.90/x
  3. Step 3: Cross multiply
    730,421.16x = 1,007,962.39 × 408,133.90
  4. Step 4: Simplify right side
    730,421.16x = 411,383,620,758.39
  5. Step 5: Solve for x
    x = 411,383,620,758.39/730,421.16
  6. Step 6: Final answer
    x = 563,214.27

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1.5x scale

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.