Home / 833,251.20-1,249,941.56-272,342.40

Finding the Fourth Proportional to 833,251.20, 1,249,941.56 and 272,342.40

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Solution

The fourth proportional to 833,251.20, 1,249,941.56 and 272,342.40 is: 408,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,251.20 : 1,249,941.56 = 272,342.40 : x
  2. Step 2: Convert to fraction form
    833,251.20/1,249,941.56 = 272,342.40/x
  3. Step 3: Cross multiply
    833,251.20x = 1,249,941.56 × 272,342.40
  4. Step 4: Simplify right side
    833,251.20x = 340,412,084,310.14
  5. Step 5: Solve for x
    x = 340,412,084,310.14/833,251.20
  6. Step 6: Final answer
    x = 408,534.77

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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.