Home / 903,987.90-1,355,938.65-304,890.30

Finding the Fourth Proportional to 903,987.90, 1,355,938.65 and 304,890.30

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Solution

The fourth proportional to 903,987.90, 1,355,938.65 and 304,890.30 is: 457,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,987.90 : 1,355,938.65 = 304,890.30 : x
  2. Step 2: Convert to fraction form
    903,987.90/1,355,938.65 = 304,890.30/x
  3. Step 3: Cross multiply
    903,987.90x = 1,355,938.65 × 304,890.30
  4. Step 4: Simplify right side
    903,987.90x = 413,412,541,780.10
  5. Step 5: Solve for x
    x = 413,412,541,780.10/903,987.90
  6. Step 6: Final answer
    x = 457,320.88

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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.